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Botany | Q441 | Botany, also called plant science, is the branch of natural science and biology studying plants, especially their anatomy, taxonomy, and ecology. A botanist or plant scientist is a scientist who specialises in this field. "Plant" and "botany" may be defined more narrowly to include only land plants and their study, which is also known as phytology. Phytologists or botanists (in the strict sense) study approximately 410,000 species of land plants, including some 391,000 species of vascular plants (of which approximately 369,000 are flowering plants) and approximately 20,000 bryophytes.
Botany originated in prehistory as herbalism with the efforts of early humans to identify – and later cultivate – plants that were edible, poisonous, and possibly medicinal, making it one of the first endeavours of human investigation. Medieval physic gardens, often attached to monasteries, contained plants possibly having medicinal benefit. They were forerunners of the first botanical gardens attached to universities, founded from the 1540s onwards. One of the earliest was the Padua botanical garden. These gardens facilitated the academic study of plants. Efforts to catalogue and describe their collections were the beginnings of plant taxonomy and led in 1753 to the binomial system of nomenclature of Carl Linnaeus that remains in use to this day for the naming of all biological species.
In the 19th and 20th centuries, new techniques were developed for the study of plants, including methods of optical microscopy and live cell imaging, electron microscopy, analysis of chromosome number, plant chemistry and the structure and function of enzymes and other proteins. In the last two decades of the 20th century, botanists exploited the techniques of molecular genetic analysis, including genomics and proteomics and DNA sequences to classify plants more accurately.
Modern botany is a broad subject with contributions and insights from most other areas of science and technology. Research topics include the study of plant structure, growth and differentiation, reproduction, biochemistry and primary metabolism, chemical products, development, diseases, evolutionary relationships, systematics, and plant taxonomy. Dominant themes in 21st-century plant science are molecular genetics and epigenetics, which study the mechanisms and control of gene expression during differentiation of plant cells and tissues. Botanical research has diverse applications in providing staple foods, materials such as timber, oil, rubber, fibre and drugs, in modern horticulture, agriculture and forestry, plant propagation, breeding and genetic modification, in the synthesis of chemicals and raw materials for construction and energy production, in environmental management, and the maintenance of biodiversity. |
Bayer designation | Q105616 | A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name. The original list of Bayer designations contained 1564 stars. The brighter stars were assigned their first systematic names by the German astronomer Johann Bayer in 1603, in his star atlas Uranometria. Bayer catalogued only a few stars too far south to be seen from Germany, but later astronomers (including Nicolas-Louis de Lacaille and Benjamin Apthorp Gould) supplemented Bayer's catalog with entries for southern constellations. |
Bassoon | Q159998 | The bassoon is a musical instrument in the woodwind family, which plays in the tenor and bass ranges. It is composed of six pieces, and is usually made of wood. It is known for its distinctive tone color, wide range, versatility, and virtuosity. It is a non-transposing instrument and typically its music is written in the bass and tenor clefs, and sometimes in the treble. There are two forms of modern bassoon: the Buffet (or French) and Heckel (or German) systems. It is typically played while sitting using a seat strap, but can be played while standing if the player has a harness to hold the instrument. Sound is produced by rolling both lips over the reed and blowing direct air pressure to cause the reed to vibrate. Its fingering system can be quite complex when compared to those of other instruments. Appearing in its modern form in the 19th century, the bassoon figures prominently in orchestral, concert band, and chamber music literature, and is occasionally heard in pop, rock, and jazz settings as well. One who plays a bassoon is called a bassoonist. |
Cell (biology) | Q7868 | The cell is the basic structural and functional unit of all forms of life. Every cell consists of cytoplasm enclosed within a membrane; many cells contain organelles, each with a specific function. The term comes from the Latin word cellula meaning 'small room'. Most cells are only visible under a microscope. Cells emerged on Earth about 4 billion years ago. All cells are capable of replication, protein synthesis, and motility.
Cells are broadly categorized into two types: eukaryotic cells, which possess a nucleus, and prokaryotic cells, which lack a nucleus but have a nucleoid region. Prokaryotes are single-celled organisms such as bacteria, whereas eukaryotes can be either single-celled, such as amoebae, or multicellular, such as some algae, plants, animals, and fungi. Eukaryotic cells contain organelles including mitochondria, which provide energy for cell functions, chloroplasts, which in plants create sugars by photosynthesis, and ribosomes, which synthesise proteins.
Cells were discovered by Robert Hooke in 1665, who named them after their resemblance to cells inhabited by Christian monks in a monastery. Cell theory, developed in 1839 by Matthias Jakob Schleiden and Theodor Schwann, states that all organisms are composed of one or more cells, that cells are the fundamental unit of structure and function in all living organisms, and that all cells come from pre-existing cells.
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Benedictines | Q131132 | The Benedictines, officially the Order of Saint Benedict (Latin: Ordo Sancti Benedicti, abbreviated as O.S.B. or OSB), are a mainly contemplative monastic order of the Catholic Church for men and for women who follow the Rule of Saint Benedict. Initiated in 529, they are the oldest of all the religious orders in the Latin Church. The male religious are also sometimes called the Black Monks, especially in English speaking countries, after the colour of their habits, although some, like the Olivetans, wear white. They were founded by Benedict of Nursia, a 6th-century Italian monk who laid the foundations of Benedictine monasticism through the formulation of his Rule. Benedict's sister, Scholastica, possibly his twin, also became a religious from an early age, but chose to live as a hermit. They retained a close relationship until her death.
Despite being called an order, the Benedictines do not operate under a single hierarchy. They are instead organized as a collection of autonomous monasteries and convents, some known as abbeys. The order is represented internationally by the Benedictine Confederation, an organization set up in 1893 to represent the order's shared interests. They do not have a superior general or motherhouse with universal jurisdiction but elect an Abbot Primate to represent themselves to the Vatican and to the world.
In some regions, Benedictine nuns are given the title Dame in preference to Sister.
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Boxing | Q32112 | Boxing is a combat sport and martial art. Taking place in a boxing ring, it involves two people – usually wearing protective equipment, such as protective gloves, hand wraps, and mouthguards – throwing punches at each other for a predetermined amount of time.
Although the term "boxing" is commonly attributed to western boxing, in which only fists are involved, it has developed in different ways in different geographical areas and cultures of the World. In global terms, "boxing" today is also a set of combat sports focused on striking, in which two opponents face each other in a fight using at least their fists, and possibly involving other actions, such as kicks, elbow strikes, knee strikes, and headbutts, depending on the rules. Some of these variants are the bare-knuckle boxing, kickboxing, Muay Thai, Lethwei, savate, and sanda. Boxing techniques have been incorporated into many martial arts, military systems, and other combat sports.
Humans have engaged in hand-to-hand combat since the earliest days of human history. The origins of boxing in any of its forms as a sport remain uncertain, but some sources suggest that it has prehistoric roots in what is now Ethiopia, emerging as early as the sixth millennium BC. It is believed that when the Egyptians invaded Nubia, they adopted boxing from the local populace, subsequently popularizing it in Egypt. From there, the sport of boxing spread to various regions, including Greece, eastward to Mesopotamia, and northward to Rome.
The earliest visual evidence of any type of boxing is from Egypt and Sumer, both from the third millennia, and can be seen in Sumerian carvings from the third and second millennia BC. The earliest evidence of boxing rules dates back to Ancient Greece, where boxing was established as an Olympic game in 688 BC. Boxing evolved from 16th- and 18th-century prizefights, largely in Great Britain, to the forerunner of modern boxing in the mid-19th century with the 1867 introduction of the Marquess of Queensberry Rules.
Amateur boxing is both an Olympic and Commonwealth Games sport and is a standard fixture in most international games – it also has its world championships. Boxing is overseen by a referee over a series of one-to-three-minute intervals called "rounds".
A winner can be resolved before the completion of the rounds when a referee deems an opponent incapable of continuing, disqualifies an opponent, or the opponent resigns. When the fight reaches the end of its final round with both opponents still standing, the judges' scorecards determine the victor. In case both fighters gain equal scores from the judges, a professional bout is considered a draw. In Olympic boxing, because a winner must be declared, judges award the contest to one fighter on technical criteria. |
Hindi cinema | Q93196 | Hindi cinema, popularly known as Bollywood and formerly as Bombay cinema, is primarily produced in Mumbai. The popular term Bollywood is a portmanteau of "Bombay" (former name of Mumbai) and "Hollywood". The industry, producing films in the Hindi language, is a part of the larger Indian cinema industry, which also includes South Indian cinema and other smaller film industries. The term 'Bollywood', often mistakenly used to refer to Indian cinema as a whole, only refers to Hindi-language films, with Indian cinema being an umbrella term that includes all the film industries in the country, each offering films in diverse languages and styles.
In 2017, Indian cinema produced 1,986 feature films, of which the largest number, 364, have been in Hindi. In 2022, Hindi cinema represented 33% of box office revenue, followed by Telugu and Tamil representing 20% and 16% respectively. Mumbai is one of the largest centres for film production in the world. Hindi films sold an estimated 341 million tickets in India in 2019. Earlier Hindi films tended to use vernacular Hindustani, mutually intelligible by speakers of either Hindi or Urdu, while modern Hindi productions increasingly incorporate elements of Hinglish.
The most popular commercial genre in Hindi cinema since the 1970s has been the masala film, which freely mixes different genres including action, comedy, romance, drama and melodrama along with musical numbers. Masala films generally fall under the musical film genre, of which Indian cinema has been the largest producer since the 1960s when it exceeded the American film industry's total musical output after musical films declined in the West. The first Indian talkie, Alam Ara (1931), was produced in the Hindustani language, four years after Hollywood's first sound film, The Jazz Singer (1927).
Alongside commercial masala films, a distinctive genre of art films known as parallel cinema has also existed, presenting realistic content and avoidance of musical numbers. In more recent years, the distinction between commercial masala and parallel cinema has been gradually blurring, with an increasing number of mainstream films adopting the conventions which were once strictly associated with parallel cinema.
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Baltimore Ravens | Q276539 | The Baltimore Ravens are a professional American football team based in Baltimore. The Ravens compete in the National Football League (NFL) as a member of the American Football Conference (AFC) North division. The team plays its home games at M&T Bank Stadium and is headquartered in Owings Mills, Maryland.
The Baltimore Ravens were established in 1996 after Art Modell, then owner of the Cleveland Browns, announced plans in 1995 to relocate the franchise from Cleveland to Baltimore. As part of a settlement between the league and the city of Cleveland, Modell was required to leave the Browns' history, team colors, and records in Cleveland for a replacement team and replacement personnel that would resume play in 1999. In return, he was allowed to take his own personnel and team to Baltimore, where such personnel would form an expansion team. Steve Bisciotti has been the Ravens' majority owner since 2004; the franchise was valued at $4.63 billion in 2023, making it the 28th-most valuable sports franchise in the world.
The Ravens have been one of the most successful NFL franchises since their inception, compiling a regular season record of 268–199–1 (.574), the highest among active franchises. They also own the fourth-highest playoff winning percentage at 18–14 (.563). The team has qualified for the NFL playoffs 16 times since 2000 with two Super Bowl titles (Super Bowl XXXV and Super Bowl XLVII), two AFC Championship titles (2000 and 2012), five AFC Championship game appearances (2000, 2008, 2011, 2012, and 2023), and eight AFC North division titles (2003, 2006, 2011, 2012, 2018, 2019, 2023, and 2024). They are one of two teams to be undefeated in multiple Super Bowl appearances, along with the Tampa Bay Buccaneers. The Ravens organization was led by general manager Ozzie Newsome from 1996 until his retirement following the 2018 season, and has had three head coaches: Ted Marchibroda, Brian Billick, and since 2008, John Harbaugh. Starting with a record-breaking defensive performance in their 2000 season, the Ravens have established a reputation for strong defensive play throughout team history. Former players such as middle linebacker Ray Lewis, safety Ed Reed, and offensive tackle Jonathan Ogden have been enshrined in the Pro Football Hall of Fame.
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Baptism | Q35856 | Baptism (from Koinē Greek: βάπτισμα, romanized: váptisma, lit. 'immersion, dipping in water') is a Christian sacrament of initiation almost invariably with the use of water. It may be performed by sprinkling or pouring water on the head, or by immersing in water either partially or completely, traditionally three times, once for each person of the Trinity. The synoptic gospels recount that John the Baptist baptised Jesus. Baptism is considered a sacrament in most churches, and as an ordinance in others. Baptism according to the Trinitarian formula, which is done in most mainstream Christian denominations, is seen as being a basis for Christian ecumenism, the concept of unity amongst Christians. Baptism is also called christening, although some reserve the word "christening" for the baptism of infants. In certain Christian denominations, such as the Catholic Churches, Eastern Orthodox Churches, Oriental Orthodox Churches, Assyrian Church of the East, and Lutheran Churches, baptism is the door to church membership, with candidates taking baptismal vows. It has also given its name to the Baptist churches and denominations.
Certain schools of Christian thought (such as Catholic and Lutheran theology) regard baptism as necessary for salvation (though not without exception), but some writers, such as Huldrych Zwingli (1484–1531), have denied its necessity. Though water baptism is extremely common among Christian denominations, some, such as Quakers and The Salvation Army, do not practice water baptism at all. Among denominations that practice baptism, differences occur in the manner and mode of baptizing and in the understanding of the significance of the rite. Most Christians baptize using the trinitarian formula "in the name of the Father, and of the Son, and of the Holy Spirit" (following the Great Commission), but Oneness Pentecostals baptize using Jesus' name only. The majority of Christians baptize infants; many others, such as Baptist Churches, regard only believer's baptism as true baptism. In certain denominations, such as the Eastern and Oriental Orthodox Churches, the individual being baptized receives a cross necklace that is worn for the rest of their life, inspired by the Sixth Ecumenical Council (Synod) of Constantinople.
Outside of Christianity, Mandaeans undergo repeated baptism for purification instead of initiation. They consider John the Baptist to be their greatest prophet and name all rivers yardena after the River Jordan.: 45
The term baptism has also been used metaphorically to refer to any ceremony, trial, or experience by which a person is initiated, purified, or given a name. Martyrdom was identified early in Christian church history as "baptism by blood", enabling the salvation of martyrs who had not been baptized by water. Later, the Catholic Church identified a baptism of desire, by which those preparing for baptism who die before actually receiving the sacrament are considered saved. In the Methodist tradition, Baptism with the Holy Spirit, has referred to the second work of grace, entire sanctification; in Pentecostalism, the term Baptism with the Holy Spirit is identified with speaking in tongues. |
Black Sabbath | Q47670 | Black Sabbath are an English rock band formed in Birmingham in 1968 by guitarist Tony Iommi, drummer Bill Ward, bassist Geezer Butler, and vocalist Ozzy Osbourne. After adopting the Black Sabbath name in 1969 (the band were previously named Earth, and before that the Polka Tulk Blues Band), they distinguished themselves through occult themes with horror-inspired lyrics and down-tuned guitars. Their first three albums, Black Sabbath, Paranoid (both 1970), and Master of Reality (1971), were commercially successful, and are now cited as pioneering albums in the development of heavy metal music. Subsequent albums Vol. 4 (1972), Sabbath Bloody Sabbath (1973), Sabotage (1975), Technical Ecstasy (1976), and Never Say Die! (1978) saw the band explore more experimental and progressive styles.
Osbourne was fired from Black Sabbath in 1979 and replaced by former Rainbow vocalist Ronnie James Dio, who recorded three albums with the band, Heaven and Hell (1980), Mob Rules (1981), and their first authorised live album Live Evil (1983), the last two featuring drummer Vinny Appice replacing Ward. Following Dio and Appice's departures, Iommi and Butler recorded Born Again (1983) with Ward returning on drums, and Ian Gillan, then-formerly of Deep Purple, on vocals. By 1984, Butler, Ward, and Gillan had all departed, leaving Iommi to assemble a new version of Black Sabbath. For the next 13 years, the band endured many personnel changes that included vocalists Glenn Hughes (another former Deep Purple member, who sang on the 1986 album Seventh Star) and Tony Martin, as well as several bassists and drummers. Of the vocalists during these years, Martin's tenure was the longest, joining in 1987 and recording three albums – The Eternal Idol (1987), Headless Cross (1989), and Tyr (1990) – before his initial departure in 1991. That same year, Iommi reunited with Butler, Dio and Appice to record Dehumanizer (1992), though Dio and Appice both departed again by the end of 1992. Martin returned for two more studio albums, Cross Purposes (1994) and Forbidden (1995), and one live album, Cross Purposes Live (1995), before the band went on a one-year hiatus.
The original line-up of Iommi, Osbourne, Butler and Ward reunited in 1997, releasing a live album, Reunion (1998), and touring sporadically until 2005. The band went on hiatus in 2006 when the Mob Rules line-up (Iommi, Butler, Dio, Appice) reunited as Heaven & Hell, touring during the late 2000s and releasing one studio album, The Devil You Know (2009), before disbanding after Dio's death in 2010. The original line-up reunited again in 2011, though Ward departed prior to the recording of their final studio album 13 (2013). To conclude their farewell tour, Black Sabbath played its last concert for eight years in their home city in 2017. Occasional partial reunions have occurred, most notably when Osbourne and Iommi performed at the closing ceremony of the 2022 Commonwealth Games in Birmingham. The original line-up will reunite for a final show for both the band and Osbourne as a solo artist, titled Back to the Beginning, at Villa Park on 5 July 2025.
Black Sabbath have sold over 70 million records as of 2013, making them one of the most commercially successful heavy metal bands. The band have been referred to as being part of the "unholy trinity of British hard rock and heavy metal in the early to mid-seventies", along with Deep Purple and Led Zeppelin. Black Sabbath were ranked by MTV as the "Greatest Metal Band of All Time" and placed second on VH1's "100 Greatest Artists of Hard Rock" list. Rolling Stone magazine ranked them 85 on its "100 Greatest Artists of All Time". They were inducted into the UK Music Hall of Fame in 2005 and Rock and Roll Hall of Fame in 2006. They have won two Grammy Awards for Best Metal Performance, and received a Grammy Lifetime Achievement Award.
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Buffalo Bills | Q221626 | The Buffalo Bills are a professional American football team based in the Buffalo–Niagara Falls metropolitan area. The Bills compete in the National Football League (NFL) as a member of the American Football Conference (AFC) East division. The team plays its home games at Highmark Stadium in Orchard Park, New York, and is building a new stadium which will be completed in 2026.
Founded in 1959 as a charter member of the American Football League (AFL), the team joined the NFL in 1970 following the AFL–NFL merger. The Bills' name is derived from an All-America Football Conference (AAFC) franchise from Buffalo that was in turn named after western frontiersman Buffalo Bill. Drawing much of its fanbase from western New York and neighboring southern Ontario, the Bills are the only NFL team that plays home games in the state of New York. The franchise is owned by Terry Pegula, who purchased the Bills after the death of the original owner Ralph Wilson in 2014, and a coalition of private equity funds and investors who purchased a minority stake in the team in 2024.
The Bills advanced to the AFL Championship Game three years in a row from 1964 to 1966, winning the first two. To date, these are the only major professional sports championships from a team representing Buffalo. They struggled heavily in the latter years of the AFL and for much of their first two decades in the NFL, tallying only five winning seasons and three postseason berths from 1967 to 1987. However, they were perennial postseason contenders from the late 1980s to the early 1990s, peaking between 1990 and 1993 when they appeared in a record four consecutive Super Bowls, an accomplishment often overshadowed by the fact they lost all four. From the early 2000s to the mid-2010s, the Bills endured the longest playoff drought of 17 years in the four major North American professional sports, making them the last franchise in the four leagues to qualify for the postseason in the 21st century. They returned to consistent postseason contention by the late 2010s, although the Bills have not returned to the Super Bowl. Alongside the Minnesota Vikings, their four Super Bowl appearances are the most among NFL franchises that have not won the Super Bowl.
In December 2024, the Bills became one of the first teams in NFL history to sell part of their franchise to outside private equity investors. 20.6% of the team interest was sold at a valuation of $5.6 billion, including 10% to the American investment group Arctos Partners LP. |
Batman | Q2695156 | Batman is a superhero who appears in American comic books published by DC Comics. Batman was created by the artist Bob Kane and writer Bill Finger, and debuted in the 27th issue of the comic book Detective Comics on March 30, 1939. In the DC Universe, Batman is the alias of Bruce Wayne, a wealthy American playboy, philanthropist, and industrialist who resides in Gotham City. His origin story features him swearing vengeance against criminals after witnessing the murder of his parents, Thomas and Martha, as a child, a vendetta tempered by the ideal of justice. He trains himself physically and intellectually, crafts a bat-inspired persona, and monitors the Gotham streets at night. Kane, Finger, and other creators accompanied Batman with supporting characters, including his sidekicks Robin and Batgirl; allies Alfred Pennyworth and James Gordon; love interest and occasional adversary Catwoman; as well as foes such as the Penguin, the Riddler, Two-Face, and his archenemy, the Joker, among others.
Kane conceived Batman in early 1939 to capitalize on the popularity of Superman; although Kane frequently claimed sole creation credit, Finger substantially developed the concept from a generic superhero into something more bat-like. They drew inspiration from pulp fiction characters like the Shadow and Sherlock Holmes. Batman received a spin-off publication, Batman, in 1940. Kane and Finger introduced Batman as a ruthless vigilante who frequently killed or maimed criminals, but he evolved into a just, tempered superhero with a stringent moral code that prohibits killing during the 1940s. Unlike most superheroes, Batman does not possess any superpowers, instead relying on his intellect, fighting skills, and wealth. The 1960s Batman television series used a camp aesthetic, which continued to be associated with Batman for years after it ended. Various creators worked to return Batman to his darker roots in the 1970s and 1980s, culminating with the 1986 miniseries The Dark Knight Returns by Frank Miller.
DC has featured Batman in many comic books, including comics published under its imprints such as Vertigo and Black Label; he has been considered DC's flagship charactersince the 1990s. The longest-running Batman comic, Detective Comics, is the longest-running comic book in the United States. Batman is frequently depicted alongside other DC superheroes, such as Superman and Wonder Woman, as a member of organizations such as the Justice League and the Outsiders. In addition to Bruce Wayne, other characters used the Batman persona, such as Jean-Paul Valley / Azrael in the 1993–1994 "Knightfall" story arc; Dick Grayson, the first Robin, from 2009 to 2011; and Jace Fox, the son of Wayne's ally Lucius, since 2021. DC has also published comics featuring alternate versions of Batman, including the incarnation seen in The Dark Knight Returns and its successors, the incarnation from the Flashpoint (2011) event, and numerous interpretations in comics published under the Elseworlds label.
Batman is one of the most iconic characters in popular culture and has been listed among the greatest comic book superheroes and characters ever created. He is one of the most commercially successful superheroes, and his likeness has been licensed and featured in various media and merchandise sold around the world; this includes toy lines such as Lego Batman and video games such as the Batman: Arkham series. Batman has been adapted in many live-action and animated television series and films. Adam West portrayed him in the 1960s Batman television series, and he has been portrayed in film by Michael Keaton, Val Kilmer, George Clooney, Christian Bale, Ben Affleck, and Robert Pattinson. Many actors, most prolifically Kevin Conroy, have provided Batman's voice in animation and video games. In September 2024, Batman was given a star on the Hollywood Walk of Fame, being the first superhero to receive the honor. |
Boston Red Sox | Q213959 | The Boston Red Sox are an American professional baseball team based in Boston. The Red Sox compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. Founded in 1901 as one of the American League's eight charter franchises, the team's home ballpark has been Fenway Park since 1912. The "Red Sox" name was chosen by the team owner, John I. Taylor, c. 1908, following the lead of previous teams that had been known as the "Boston Red Stockings", including the Boston Braves (now the Atlanta Braves). The team has won nine World Series championships, tied for the third-most of any MLB team, and has played in thirteen World Series. Their most recent World Series appearance and win was in 2018. In addition, they won the 1904 American League pennant, but were not able to defend their 1903 World Series championship when the New York Giants refused to participate in the 1904 World Series.
The Red Sox were a dominant team in the new league, defeating the Pittsburgh Pirates in the first World Series in 1903 and winning four more championships by 1918. However, they then went into one of the longest championship droughts in baseball history, dubbed the "Curse of the Bambino" after its alleged inception due to the Red Sox' sale of star player Babe Ruth to the rival New York Yankees two years after their World Series championship in 1918. The Sox endured an 86-year wait before the team's sixth World Series championship in 2004. The team's history during that period was punctuated with some of the most memorable moments in World Series history, including Enos Slaughter's "mad dash" in 1946, the "Impossible Dream" of 1967, Carlton Fisk's home run in 1975, and Bill Buckner's error in 1986. Following their victory in the 2018 World Series, they became the first team to win four World Series trophies in the 21st century, with championships in 2004, 2007, 2013 and 2018. The team's history has also been marked by its intense rivalry with the New York Yankees, arguably the fiercest and most historic in North American professional sports.
The Red Sox are owned by Fenway Sports Group, which also owns Liverpool of the Premier League in England, the National Hockey League's Pittsburgh Penguins and partially owns RFK Racing of the NASCAR Cup Series. They are consistently one of the top MLB teams in average road attendance, while the small capacity of Fenway Park prevents them from leading in overall attendance. From May 15, 2003, to April 10, 2013, the Red Sox sold out every home game—a total of 820 games (794 regular season) for a major professional sports record. Both Neil Diamond's "Sweet Caroline" and the Standells' "Dirty Water" have become anthems for the Red Sox.
As of the end of the 2024 season, the franchise's all-time regular-season record is 9,955–9,263–83 (.518). |
Baltimore Orioles | Q650816 | The Baltimore Orioles (also known as the O's) are an American professional baseball team based in Baltimore. The Orioles compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. As one of the American League's eight charter teams in 1901, the franchise spent its first year as a major league club in Milwaukee as the Milwaukee Brewers before moving to St. Louis to become the St. Louis Browns in 1902. After 52 years in St. Louis, the franchise was purchased in 1953 by a syndicate of Baltimore business and civic interests, led by attorney and civic activist Clarence Miles and Mayor Thomas D'Alesandro Jr. The team's current owner is David Rubenstein. The Orioles' home ballpark is Oriole Park at Camden Yards, which opened in 1992 in downtown Baltimore.
The oriole is the official state bird of Maryland; the name has been used by several baseball clubs in the city, including another AL charter member franchise which folded after the 1902 season and was replaced the next year by the New York Highlanders, later the Yankees. Nicknames for the team include the "O's" and the "Birds".
The franchise's first World Series appearance came in 1944 when the Browns lost to the St. Louis Cardinals. The Orioles went on to make six World Series appearances from 1966 to 1983, winning three in 1966, 1970, and 1983. This era of the club featured several future Hall of Famers who would later be inducted representing the Orioles, such as third baseman Brooks Robinson, outfielder Frank Robinson, starting pitcher Jim Palmer, first baseman Eddie Murray, shortstop Cal Ripken Jr., and manager Earl Weaver. The Orioles have won a total of ten division championships (1969, 1970, 1971, 1973, 1974, 1979, 1983, 1997, 2014, 2023), seven pennants (1944 while in St. Louis, 1966, 1969, 1970, 1971, 1979, 1983), and four wild card berths (1996, 2012, 2016, 2024). The franchise was the last charter member of the American League to win a pennant, and the last charter member to win a World Series.
After 14 consecutive losing seasons between 1998 and 2011, the team qualified for the postseason three times under manager Buck Showalter and general manager Dan Duquette, including a division title and advancement to the American League Championship Series for the first time in 17 years in 2014. Four years later, the Orioles lost 115 games, the most in franchise history. The Orioles chose not to renew the expired contracts of Showalter and Duquette after the season, ending their respective tenures with Baltimore. The Orioles' current manager is Tony Mansolino serving as interim, while Mike Elias serves as general manager and executive vice president. Two years after finishing 52–110 in 2021, the Orioles went 101–61 in 2023, en route to winning the AL East for the first time since 2014.
From 1901 through the end of 2024, the franchise's overall win–loss record is 9,120–10,084–110 (.475). Since moving to Baltimore in 1954, the Orioles have an overall win–loss record of 5,658–5,530–12 (.506) through the end of 2024.
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Bohemia | Q39193 | Bohemia ( boh-HEE-mee-ə; Czech: Čechy [ˈtʃɛxɪ] ; German: Böhmen [ˈbøːmən] ) is the westernmost and largest historical region of the Czech Republic. Bohemia can also refer to a wider area consisting of the historical Lands of the Bohemian Crown ruled by the Bohemian kings, including Moravia and Czech Silesia, in which case the smaller region is referred to as Bohemia proper as a means of distinction.
Bohemia became a part of Great Moravia, and then an independent principality, which became a kingdom in the Holy Roman Empire. This subsequently became a part of the Habsburg monarchy and the Austrian Empire. After World War I and the establishment of an independent Czechoslovak state, the whole of Bohemia became a part of Czechoslovakia, defying claims of the German-speaking inhabitants that regions with German-speaking majority should be included in the Republic of German-Austria. Between 1938 and 1945, these border regions were annexed to Nazi Germany as the Sudetenland.
The remainder of Czech territory became the Second Czechoslovak Republic and was subsequently occupied as the Protectorate of Bohemia and Moravia until the end of World War II, after which Bohemia became part of the restored Czechoslovakia. In 1968, the Czech lands (including Bohemia) were invaded by Warsaw Pact troops sent by the Soviet Union and stayed under occupation as the Czech Socialist Republic until Velvet Revolution in 1989. In 1990, the name was changed to the Czech Republic, which became a separate state in 1993 with the breakup of Czechoslovakia.
Until 1948, Bohemia was an administrative unit of Czechoslovakia as one of its "lands" (země). Since then, administrative reforms have replaced self-governing lands with a modified system of "regions" (kraje), which do not follow the borders of the historical Czech lands (or the regions from the 1960 and 2000 reforms). However, the three lands are mentioned in the preamble of the Constitution of the Czech Republic: "We, citizens of the Czech Republic in Bohemia, Moravia and Silesia..."
Bohemia had an area of 52,065 km2 (20,102 sq mi), and today is home to about 6.9 million of the Czech Republic's 10.9 million inhabitants. Bohemia was bordered in the south by Upper and Lower Austria (both in Austria), in the west by Bavaria (in Germany), and in the north by Saxony and Lusatia (in Germany and Poland, respectively), in the northeast by Silesia (in Poland), and in the east by Moravia (also part of the Czech Republic). Bohemia's borders were mostly marked by mountain ranges such as the Bohemian Forest, the Ore Mountains, and the Giant Mountains; the Bohemian-Moravian border roughly follows the Elbe-Danube watershed.
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BBC Radio 1 | Q795585 | BBC Radio 1 is a British national radio station owned and operated by the BBC. It specialises in modern popular music and current chart hits throughout the day. The station provides alternative genres at night, including electronica, dance, hip hop and indie, while its sister station 1Xtra plays Black contemporary music, including hip hop and R&B. Radio 1 also runs two online streams, Radio 1 Dance, dedicated to dance music, and Radio 1 Anthems, dedicated to throwback music; both are available to listen only on BBC Sounds.
Radio 1 broadcasts throughout the UK on FM between 97.1 MHz and 99.7 MHz, digital radio, digital TV and BBC Sounds. It was launched in 1967 to meet the demand for music generated by pirate radio stations, when the average age of the UK population was 27. The BBC claims that it targets the 15–29 age group, and the average age of its UK audience since 2009 is 30. BBC Radio 1 started 24-hour broadcasting on 1 May 1991.
According to RAJAR, the station broadcasts to a weekly audience of 7.39 million with a listening share of 4.8% as of May 2025. |
Battle of Waterloo | Q48314 | The Battle of Waterloo was fought on Sunday 18 June 1815, near Waterloo (at that time in the United Kingdom of the Netherlands, now in Belgium), marking the end of the Napoleonic Wars. The French Imperial Army under the command of Napoleon I was defeated by two armies of the Seventh Coalition. One of these was a British-led force with units from the United Kingdom, the Netherlands, Hanover, Brunswick, and Nassau, under the command of field marshal Arthur Wellesley, Duke of Wellington (often referred to as the Anglo-allied army or Wellington's army). The other comprised three corps (the 1st, 2nd and 4th corps) of the Prussian army under Field Marshal Blücher; a fourth corps (the 3rd) of this army fought at the Battle of Wavre on the same day. The battle was known contemporarily as the Battle of Mont Saint-Jean in France (after the hamlet of Mont-Saint-Jean) and La Belle Alliance in Prussia ("the Beautiful Alliance"; after the inn of La Belle Alliance).
Upon Napoleon's return to power in March 1815 (the beginning of the Hundred Days), many states that had previously opposed him formed the Seventh Coalition and hurriedly mobilised their armies. Wellington's and Blücher's armies were cantoned close to the northeastern border of France. Napoleon planned to attack them separately, before they could link up and invade France with other members of the coalition.
On 16 June, Napoleon successfully attacked the bulk of the Prussian Army at the Battle of Ligny with his main force, while a small portion of the French Imperial Army contested the Battle of Quatre Bras to prevent the Seventh Coalition army from reinforcing the Prussians. The Seventh Coalition army held their ground at Quatre Bras, and on the 17th, the Prussians withdrew from Ligny in good order, while Wellington then withdrew in parallel with the Prussians northward to Waterloo on 17 June. Napoleon sent a third of his forces to pursue the Prussians, which resulted in the separate Battle of Wavre with the Prussian rear-guard on 18–19 June and prevented that French force from participating at Waterloo.
Upon learning that the Prussian Army was able to support him, Wellington decided to offer battle on the Mont-Saint-Jean escarpment across the Brussels Road, near the village of Waterloo. Here he withstood repeated attacks by the French throughout the afternoon of 18 June, and was eventually aided by the progressively arriving 50,000 Prussians who attacked the French flank and inflicted heavy casualties. In the evening, Napoleon assaulted the Anglo-allied line with his last reserves, the senior infantry battalions of the Imperial Guard. With the Prussians breaking through on the French right flank, the Anglo-allied army repulsed the Imperial Guard, and the French army was routed.
Waterloo was the decisive engagement of the Waterloo campaign and Napoleon's last. It was also the second bloodiest single day battle of the Napoleonic Wars, after Borodino. According to Wellington, the battle was "the nearest-run thing you ever saw in your life". Napoleon abdicated four days later, and coalition forces entered Paris on 7 July. The defeat at Waterloo marked the end of Napoleon's Hundred Days return from exile. It precipitated Napoleon's second and definitive abdication as Emperor of the French, and ended the First French Empire. It set a historical milestone between serial European wars and decades of relative peace, often referred to as the Pax Britannica. In popular culture, the phrase "meeting one's Waterloo" has become an expression for someone suffering a final defeat.
The battlefield is located in the Belgian municipalities of Braine-l'Alleud and Lasne, about 15 kilometres (9.3 mi) south of Brussels, and about 2 kilometres (1.2 mi) from the town of Waterloo. The site of the battlefield today is dominated by the monument of the Lion's Mound, a large artificial hill constructed from earth taken from the battlefield itself, but the topography of the battlefield near the mound has not been preserved. |
Brian Lara | Q202877 | Brian Charles Lara, (born 2 May 1969) is a Trinidadian former international cricketer, widely acknowledged as one of the greatest batsmen of all time. He holds several cricketing records, including the record for the highest individual score in first-class cricket, with 501 not out for Warwickshire against Durham at Edgbaston in 1994, and the record for the highest individual score in an international Test innings, after scoring 400 not out at Antigua during the 4th test against England in 2004.
Lara also held, for 18 years, the record of scoring the highest number of runs in a single over of a Test match when he scored 28 runs off an over of Robin Peterson of South Africa in 2003, until his record was overtaken by Jasprit Bumrah in 2022. As captain, Lara led the West Indies team to win the 2004 ICC Champions Trophy, the first time the team won any major ICC trophy since winning the 1979 Cricket World Cup.
Lara topped the Test batting rankings on several occasions, and his match-winning performance of 153 not out against Australia in Bridgetown, Barbados in 1999 was rated by Wisden the second-best batting performance in the history of Test cricket, next only to the 270 runs scored by Sir Donald Bradman in The Ashes Test match of 1937. Muttiah Muralitharan has hailed Lara as his toughest opponent among all batsmen in the world.
Lara was awarded the Wisden Leading Cricketer in the World awards in 1994 and 1995 and is also one of only three cricketers to receive the BBC Overseas Sports Personality of the Year, the other two being Sir Garfield Sobers and Shane Warne. Brian Lara was appointed honorary member of the Order of Australia on 27 November 2009, and in September 2012 he was inducted to the ICC's Hall of Fame as a 2012–13 season inductee. In 2013, Lara received Honorary Life Membership of the MCC becoming the 31st West Indian to receive the honor.
Brian Lara is popularly nicknamed as "The Prince of Port of Spain" or simply "The Prince". |
Book of Revelation | Q42040 | The Book of Revelation or Book of the Apocalypse is the final book of the New Testament (and therefore the final book of the Christian Bible). Written in Koine Greek, its title is derived from the first word of the text: apokalypsis, meaning 'unveiling' or 'revelation'. The Book of Revelation is the only apocalyptic book in the New Testament canon. It occupies a central place in Christian eschatology.
The author names himself as simply "John" in the text, but his precise identity remains a point of academic debate.
The book spans three literary genres: the epistolary, the apocalyptic, and the prophetic. It begins with John, on the island of Patmos in the Aegean Sea, addressing letters to the "Seven Churches of Asia" with exhortations from Christ. He then describes a series of prophetic and symbolic visions, including figures such as a Woman clothed with the sun with the moon under her feet and a crown of twelve stars, the Serpent, the Seven-Headed Dragon, and the Beast, which culminate in the Second Coming of Jesus.
The sometimes obscure and extravagant imagery, with many Old Testament allusions and numeric symbolism, has allowed a wide variety of Christian interpretations. |
British Rail | Q605169 | British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most rail transport in Great Britain from 1948 to 1997. Originally a trading brand of the Railway Executive of the British Transport Commission, it became an independent statutory corporation in January 1963, when it was formally renamed the British Railways Board.
British Railways was formed on 1 January 1948 as a result of the Transport Act 1947, which nationalised the Big Four British railway companies along with some other (but not all) smaller railways. Profitability of the railways became a pressing concern during the 1950s, leading to multiple efforts to bolster performance, including some line closures. The 1955 Modernisation Plan formally directed a process of dieselisation and electrification to take place; accordingly, steam locomotives had been entirely replaced by diesel and electric traction (except for the narrow-gauge Vale of Rheidol Railway tourist line) by 1968. On 1 January 1963, the British Railways Board was created to manage the railways as a successor to the British Transport Commission.
It was during the 1960s that perhaps the most substantial changes were made. Seeking to reduce rail subsidies, one-third of the network and over half of all stations were permanently closed under the Beeching cuts. Trunk routes were considered to be the most important, and so electrification of the Great Eastern Main Line from London to Norwich was completed between 1976 and 1986 and on the East Coast Main Line from London to Edinburgh between 1985 and 1990. Train manufacturer British Rail Engineering Limited (BREL) produced the capable InterCity 125 and Sprinter sets, the introduction of which improved intercity and regional railways, respectively, as well as the unsuccessful Advanced Passenger Train (APT). Gradually, passengers replaced freight as the main source of business. From 1982, under sectorisation, the regions were gradually replaced by "business sectors", which were originally responsible for marketing and other commercial matters when they were first created but had taken over entirely by 1990.
During the 1980s and 1990s, the British Government directed the privatisation of British Rail. Following completion of the privatisation process in 1997, responsibility for track, signalling and stations was transferred to Railtrack (later brought under public control as Network Rail) while services were run by a variety of train operating companies. At the end of the process, any remaining obligations of British Rail were transferred to BRB (Residuary) Limited. Great British Railways, a planned publicly owned body, is expected to manage railway infrastructure and passenger railway services in the future, with remaining privatised franchises to be brought into public control under the provisions of the Passenger Railway Services (Public Ownership) Act 2024. GBR will use an updated form of the British Rail Double Arrow as its logo, which is now owned by the Secretary of State for Transport, and which remains employed as a generic symbol on street signs in Great Britain denoting railway stations. |
Bristol City F.C. | Q19456 | Bristol City Football Club is a professional football club based in Bristol, England. The team compete in the EFL Championship, the second level of the English football league system.
Founded in 1894, the club competed in the Southern League and Western League, being crowned Western League champions in 1897–98. They were admitted into the Football League in 1901 and won the Second Division in 1905–06. They finished second in the First Division the following season, three points behind champions Newcastle United, and went on to lose to Manchester United in the 1909 FA Cup final. Relegated in 1911, they dropped to the third tier in 1922, though would claim the Third Division South title in 1922–23 and again in 1926–27. They were returned to the third tier in 1932, remaining there until they won the Third Division South again in 1954–55. Having been relegated in 1960, Bristol City won promotion from the third tier in 1964–65 and then from the second tier in 1975–76. They played four seasons in the top-flight before being relegated in three consecutive seasons by 1982.
Bristol City spent just two seasons in the Fourth Division and went on to win the Associate Members' Cup (Football League Trophy) in 1986. Promoted out of the Third Division in 1989–90, the club were relegated in 1995 and again in 1999 after another promotion in 1997–98. Bristol City won the Football League Trophy again in 2003, and were promoted from League One in 2006–07. Relegated after six seasons in the Championship, they won the Football League Trophy for a third time in 2015 on their way to the 2014–15 League One title, and have remained in the Championship since that promotion.
They have played their home games at Ashton Gate since moving from St John's Lane in 1904. The club's home colours are red and white, and their nickname is The Robins—a robin featured on the club's badge from 1976 to 1994 and from 2019 onwards. Their main rivals are Bristol Rovers, with whom they contest the Bristol derby, and Cardiff City, with whom they contest the cross-border Severnside derby. |
Bald eagle | Q127216 | The bald eagle (Haliaeetus leucocephalus) is a bird of prey found in North America. A sea eagle, it has two known subspecies and forms a species pair with the white-tailed eagle (Haliaeetus albicilla), which occupies the same niche as the bald eagle in the Palearctic. Its range includes most of Canada and Alaska, all of the contiguous United States, and northern Mexico. It is found near large bodies of open water with an abundant food supply and old-growth trees for nesting.
The bald eagle is an opportunistic feeder that subsists mainly on fish, upon which it swoops down and snatches from the water with its talons. It builds the largest nest of any North American bird and the largest tree nests ever recorded for any animal species, up to 4 m (13 ft) deep, 2.5 m (8.2 ft) wide, and 1 metric ton (1.1 short tons) in weight. Sexual maturity is attained at the age of four to five years.
Bald eagles are not bald; the name derives from an older meaning of the word, "white-headed". The adult is mainly brown with a white head and tail. The sexes are identical in plumage, but females are about 25 percent larger than males. The yellow beak is large and hooked. The plumage of the immature is brown.
The bald eagle is the national bird of the United States since 2024 and appears on its seal. In the late 20th century it was on the brink of extirpation in the contiguous United States, but measures such as banning the practice of hunting bald eagles and banning the use of the harmful pesticide DDT slowed the decline of their population. Populations have since recovered, and the species' status was upgraded from "endangered" to "threatened" in 1995 and removed from the list altogether in 2007. |
Biathlon | Q166788 | The biathlon is a winter sport that combines cross-country skiing and rifle shooting. It is treated as a race, with contestants skiing through a cross-country trail whose distance is divided into shooting rounds. The shooting rounds are not timed per se, but depending on the competition, missed shots result in extra distance or time being added to the contestant's total.
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The Beach Boys | Q183048 | The Beach Boys are an American rock band formed in Hawthorne, California, in 1961. The group's original lineup consisted of brothers Brian, Dennis and Carl Wilson, their cousin Mike Love, and their friend Al Jardine. Distinguished by their vocal harmonies, adolescent-oriented lyrics, and musical ingenuity, they are one of the most influential acts of the rock era. The group drew on the music of older pop vocal groups, 1950s rock and roll, and black R&B to create their unique sound. Under Brian's direction, they often incorporated classical or jazz elements and unconventional recording techniques in innovative ways.
The Beach Boys formed as a garage band centered on Brian's songwriting and managed by the Wilsons' father, Murry. In 1963, they enjoyed their first national hit with "Surfin' U.S.A.", beginning a string of top-ten singles that reflected a southern California youth culture of surfing, cars, and romance, dubbed the "California sound". They were one of the few American rock bands to sustain their commercial standing during the British Invasion. Starting with 1965's The Beach Boys Today!, they abandoned beachgoing themes for more personal lyrics and ambitious orchestrations. In 1966, the Pet Sounds album and "Good Vibrations" single raised the group's prestige as rock innovators; both are now widely considered to be among the greatest and most influential works in popular music history. After scrapping the Smile album in 1967, Brian gradually ceded control of the group to his bandmates.
In the late 1960s, the group's commercial momentum faltered in the U.S., and they were widely dismissed by the early rock music press before undergoing a rebranding in the early 1970s. Carl took over as de facto leader until the mid-1970s, when the band responded to the growing success of their live shows and greatest hits compilations by transitioning into an oldies act. Dennis drowned in 1983, and Brian soon became estranged from the group. Following Carl's death from lung cancer in 1998, the band granted Love legal rights to tour under the group's name. In the early 2010s, the surviving original members briefly reunited for the band's 50th anniversary tour. Currently, Brian and Jardine do not perform with Love's edition of the Beach Boys, but remain official members of the band.
The Beach Boys are one of the most critically acclaimed and commercially successful bands of all time, selling over 100 million records worldwide. They helped legitimize popular music as a recognized art form, and influenced the development of music genres and movements such as psychedelia, power pop, progressive rock, punk, alternative, and lo-fi. Between the 1960s and 2020s, the group had 37 songs reach the U.S. Top 40 of the Billboard Hot 100 (the most by an American band), with four topping the chart. In 2004, the group was ranked number 12 on Rolling Stone's list of the greatest artists of all time. Many critics' polls have ranked Today!, Pet Sounds, Smiley Smile (1967), Sunflower (1970), and Surf's Up (1971) among the finest albums in history. The founding members were inducted into the Rock and Roll Hall of Fame in 1988. Other members during the band's history have been David Marks, Bruce Johnston, Blondie Chaplin, and Ricky Fataar. |
Liberal Party (UK) | Q622441 | The Liberal Party was one of the two major political parties in the United Kingdom, along with the Conservative Party, in the 19th and early 20th centuries. Beginning as an alliance of Whigs, free trade–supporting Peelites, and reformist Radicals in the 1850s, by the end of the 19th century, it had formed four governments under William Ewart Gladstone. Despite being divided over the issue of Irish Home Rule, the party returned to government in 1905 and won a landslide victory in the 1906 general election. Under prime ministers Henry Campbell-Bannerman (1905–1908) and H. H. Asquith (1908–1916), the Liberal Party passed reforms that created a basic welfare state. Although Asquith was the party leader, its dominant figure was David Lloyd George.
Asquith was overwhelmed by his wartime role as prime minister and Lloyd George led a coalition that replaced him in late 1916. However, Asquith remained as Liberal Party leader. The split between Lloyd George's breakaway faction and Asquith's official Liberal faction badly weakened the party. The coalition government of Lloyd George was increasingly dominated by the Conservative Party, which finally ousted him as prime minister in 1922. The subsequent Liberal collapse was quick and catastrophic. With 400 MPs elected in the 1906 election; they had only 40 in 1924. Their share of the popular vote plunged from 49% to 18%. The Labour Party absorbed most of the ex-Liberal voters and then became the Conservatives' main rival.
By the 1950s, the party had won as few as six seats at general elections. Apart from a few notable by-election victories, its fortunes did not improve significantly until it formed the SDP–Liberal Alliance with the newly formed Social Democratic Party (SDP) in 1981. At the 1983 general election, the Alliance won over a quarter of the vote, but won only 23 of the 633 seats it contested. At the 1987 general election, its share of the vote fell below 23%. Further, the Liberals and the SDP merged in 1988 to form the Social and Liberal Democrats (SLD), who the following year were renamed the Liberal Democrats. A splinter group reconstituted the Liberal Party in 1989.
The Liberals were a coalition with diverse positions on major issues and no unified national policy. This made them repeatedly liable to deep splits, such as that of the Liberal Unionists in 1886 (they eventually joined the Conservative Party); the faction of labour union members that joined the new Labour Party; the split between factions led by Asquith and that led by Lloyd George in 1918–1922; and a three-way split in 1931. Many prominent intellectuals were active in the party, including philosopher John Stuart Mill, economist John Maynard Keynes, and social planner William Beveridge. Winston Churchill during his years as a Liberal (1904–1924) authored Liberalism and the Social Problem (1909). |
Baghdad | Q1530 | Baghdad is the capital and largest city of Iraq, located along the Tigris in the central part of the country. With a population exceeding 7 million, it ranks among the most populous cities in the Middle East and Arab world and forms 22% of the country's population. Spanning an area of approximately 673 square kilometres (260 sq mi), Baghdad is the capital of its governorate and serves as Iraq's political, economic, and cultural hub.
Founded in 762 AD by Al-Mansur, Baghdad was the capital of the Abbasid Caliphate and became its most notable development project. The city evolved into a cultural and intellectual center of the Muslim world. This, in addition to housing several key academic institutions, including the House of Wisdom, as well as a multi-ethnic and multi-religious environment, garnered it a worldwide reputation as the "Center of Learning". For much of the Abbasid era, during the Islamic Golden Age, Baghdad was one of the largest cities in the world and rivaled Chang'an, as the population peaked at more than one million. It was largely destroyed at the hands of the Mongol Empire in 1258, resulting in a decline that would linger through many centuries due to frequent plagues and multiple successive empires such as the Ilkhanate, White Sheep Turkoman, Turco–Persian, Mamluk Dynasty and the Ottoman Empire.
The city was part of the Ottoman Empire's Baghdad Vilayet until World War I, when it was captured by British forces in 1917. Baghdad became capital of the former Mandate of Mesopotamia in 1921. With the recognition of Iraq as an independent monarchy in 1932, it gradually regained some of its former prominence as a significant center of Arab culture. During the era of oil boom in Iraq, the city experienced a period of prosperity and growth. It faced severe infrastructural damage due to the Iraq War, which began with the invasion of Iraq in 2003, resulting in a substantial loss of cultural heritage and historical artifacts. Impacted by the subsequent 2011–2013 insurgency and renewed war from 2013 to 2017, during this period, it had one of the highest rates of terrorist attacks in the world. However, it has gradually been on the decline since the territorial defeat of the Islamic State militant group in Iraq in 2017, and are now rare.
As capital of Iraq, Baghdad is location of the seat of government, national institutions and government ministries and serves as headquarters to numerous companies. It generates 40% of Iraq's GDP. A major center of Islamic history, the city is home to numerous historic mosques, as well as churches, mandis and synagogues, highlighting the city's historical diversity. Baghdad is home to Mustansiriya University, one of the oldest universities and Masjid al-Kādhimayn, that is visited every year by millions of Shi'ite pilgrims. The city is home to important cultural sites such as the National Museum of Iraq, the Iraqi National Library and the National Media Center. It is also known as the "City of Palaces", as it is home to well-known palaces. |
Biotechnology | Q7108 | Biotechnology is a multidisciplinary field that involves the integration of natural sciences and engineering sciences in order to achieve the application of organisms and parts thereof for products and services. Specialists in the field are known as biotechnologists.
The term biotechnology was first used by Károly Ereky in 1919 to refer to the production of products from raw materials with the aid of living organisms. The core principle of biotechnology involves harnessing biological systems and organisms, such as bacteria, yeast, and plants, to perform specific tasks or produce valuable substances.
Biotechnology had a significant impact on many areas of society, from medicine to agriculture to environmental science. One of the key techniques used in biotechnology is genetic engineering, which allows scientists to modify the genetic makeup of organisms to achieve desired outcomes. This can involve inserting genes from one organism into another, and consequently, create new traits or modifying existing ones.
Other important techniques used in biotechnology include tissue culture, which allows researchers to grow cells and tissues in the lab for research and medical purposes, and fermentation, which is used to produce a wide range of products such as beer, wine, and cheese.
The applications of biotechnology are diverse and have led to the development of products like life-saving drugs, biofuels, genetically modified crops, and innovative materials. It has also been used to address environmental challenges, such as developing biodegradable plastics and using microorganisms to clean up contaminated sites.
Biotechnology is a rapidly evolving field with significant potential to address pressing global challenges and improve the quality of life for people around the world; however, despite its numerous benefits, it also poses ethical and societal challenges, such as questions around genetic modification and intellectual property rights. As a result, there is ongoing debate and regulation surrounding the use and application of biotechnology in various industries and fields. |
Borneo | Q36117 | Borneo () is the third-largest island in the world, with an area of 748,168 km2 (288,869 sq mi), and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda Islands, located north of Java, west of Sulawesi, and east of Sumatra. The island is crossed by the equator, which divides it roughly in half.
The island is politically divided among three states. The sovereign state of Brunei in the north makes up 1% of the territory. Approximately 73% of Borneo is Indonesian territory, and in the north, the East Malaysian states of Sabah and Sarawak make up about 26% of the island. The Malaysian federal territory of Labuan is situated on a small island just off the coast of Borneo. |
Brick | Q40089 | A brick is a type of construction material used to build walls, pavements and other elements in masonry construction. Properly, the term brick denotes a unit primarily composed of clay. But is now also used informally to denote building units made of other materials or other chemically cured construction blocks. Bricks can be joined using mortar, adhesives or by interlocking. Bricks are usually produced at brickworks in numerous classes, types, materials, and sizes which vary with region, and are produced in bulk quantities.
Block is a similar term referring to a rectangular building unit composed of clay or concrete, but is usually larger than a brick. Lightweight bricks (also called lightweight blocks) are made from expanded clay aggregate.
Fired bricks are one of the longest-lasting and strongest building materials, sometimes referred to as artificial stone, and have been used since c. 4000 BC. Air-dried bricks, also known as mudbricks, have a history older than fired bricks, and have an additional ingredient of a mechanical binder such as straw.
Bricks are laid in courses and numerous patterns known as bonds, collectively known as brickwork, and may be laid in various kinds of mortar to hold the bricks together to make a durable structure. |
Burt Lancaster | Q160528 | Burton Stephen Lancaster (November 2, 1913 – October 20, 1994) was an American actor. Initially known for playing tough guys with a tender heart, he went on to achieve success with more complex and challenging roles over a 45-year career in films and television series. He was a four-time nominee for the Academy Award for Best Actor (winning once), and he also won two BAFTA Awards and one Golden Globe Award for Best Lead Actor. The American Film Institute ranks Lancaster as #19 of the greatest male stars of classic Hollywood cinema.
Lancaster performed as a circus acrobat in the 1930s. At the age of 32, and after serving in World War II, he landed a role in a Broadway play and drew the attention of a Hollywood agent. His appearance in film noir The Killers in 1946 alongside Ava Gardner was a critical success and launched both of their careers. In 1948, Lancaster starred alongside Barbara Stanwyck in the commercially and critically acclaimed film Sorry, Wrong Number, where he portrayed the husband to her bedridden invalid character. In 1953, Lancaster played the illicit lover of Deborah Kerr in the military drama From Here to Eternity. A box office smash, it won eight Academy Awards, including Best Picture, and landed a Best Actor nomination for Lancaster.
Later in the 1950s, he starred in The Rainmaker (1956), with Katharine Hepburn, earning a Best Actor Golden Globe nomination, and in 1957 he starred in Gunfight at the O.K. Corral (1957) with frequent co-star Kirk Douglas. During the 1950s, his production company, Hecht-Hill-Lancaster, was highly successful, with Lancaster acting in films such as: Trapeze (1956), a box office smash in which he used his acrobatic skills and for which he won the Silver Bear for Best Actor; Sweet Smell of Success (1957), a dark drama today considered a classic; Run Silent, Run Deep (1958), a WWII submarine drama with Clark Gable; and Separate Tables (1958), a hotel-set drama which received seven Oscar nominations.
In the early 1960s, Lancaster starred in a string of critically successful films, each in very disparate roles. Playing a charismatic biblical con-man in Elmer Gantry in 1960 won him the Academy Award and the Golden Globe for Best Actor. He played a Nazi war criminal in 1961 in the all-star, war-crime-trial film, Judgment at Nuremberg. Playing a bird expert prisoner in Birdman of Alcatraz in 1962, he earned the BAFTA Award for Best Foreign Actor and his third Oscar nomination. In 1963, Lancaster traveled to Italy to star as an Italian prince in Visconti's epic period drama The Leopard. In 1964, he played a US Air Force General who, opposed by a Colonel played by Douglas, tries to overthrow the President in Seven Days in May. Then, in 1966, he played an explosives expert in the western The Professionals. Although the reception of his 1968 film The Swimmer was initially lackluster upon release, in the years after it has grown in stature critically and attained a cult following.
In 1970, Lancaster starred in the box-office hit, air-disaster drama Airport. In 1974, he again starred in a Visconti film, Conversation Piece. He experienced a career resurgence in 1980 with the crime-romance Atlantic City, winning the BAFTA for Best Actor and landing his fourth Oscar nomination. Starting in the late 1970s, he also appeared in television mini-series, including the award-winning Separate but Equal with Sidney Poitier. He continued acting into his late 70s, until a stroke in 1990 forced him to retire; four years later he died from a heart attack. His final film role was as Moonlight Graham in Field of Dreams (1989). |
Baku | Q9248 | Baku (US: , UK: ; Azerbaijani: Bakı [bɑˈcɯ] ) is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and in the Caucasus region. Baku is 28 metres (92 ft) below sea level, which makes it the lowest lying national capital in the world and also the largest city in the world below sea level. Baku lies on the southern shore of the Absheron Peninsula, on the Bay of Baku. Baku's urban population was estimated at two million people as of 2009. Baku is the primate city of Azerbaijan—it is the sole metropolis in the country, and about 25% of all inhabitants of the country live in Baku's metropolitan area.
Baku is divided into twelve administrative raions and 48 townships. Among these are the townships on the islands of the Baku Archipelago, as well as the industrial settlement of Neft Daşları built on oil rigs 60 kilometres (37 miles) away from Baku city in the Caspian Sea. The Old City, containing the Palace of the Shirvanshahs and the Maiden Tower, was designated as a UNESCO World Heritage Site in 2000.
The city is the scientific, cultural, and industrial centre of Azerbaijan. Many sizeable Azerbaijani institutions have their headquarters there. In the 2010s, Baku became a venue for major international events. It hosted the 57th Eurovision Song Contest in 2012, the 2015 European Games, 4th Islamic Solidarity Games, the European Grand Prix in 2016, the Azerbaijan Grand Prix since 2017, the final of the 2018–19 UEFA Europa League, UEFA Euro 2020 and 2024 United Nations Climate Change Conference. The Baku International Sea Trade Port is capable of handling two million tonnes of general and dry bulk cargoes per year. Baku is renowned for its harsh winds, reflected in its nickname, the "City of Winds". |
Bronze Age | Q11761 | The Bronze Age (c. 3300 – c. 1200 BCE) was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of the three-age system, following the Stone Age and preceding the Iron Age. Conceived as a global era, the Bronze Age follows the Neolithic, with a transition period between the two known as the Chalcolithic. The final decades of the Bronze Age in the Mediterranean basin are often characterised as a period of widespread societal collapse known as the Late Bronze Age collapse (c. 1200 – c. 1150 BCE), although its severity and scope are debated among scholars.
An ancient civilisation is deemed to be part of the Bronze Age if it either produced bronze by smelting its own copper and alloying it with tin, arsenic, or other metals, or traded other items for bronze from producing areas elsewhere. Bronze Age cultures were the first to develop writing. According to archaeological evidence, cultures in Mesopotamia, which used cuneiform script, and Egypt, which used hieroglyphs, developed the earliest practical writing systems. In the Archaeology of the Americas, a five-period system is conventionally used instead, which does not include a Bronze Age, though some cultures there did smelt copper and bronze. There was no metalworking on the Australian continent prior to the establishment of European settlements in 1788.
In many areas bronze continued to be rare and expensive, mainly because of difficulties in obtaining enough tin, which occurs in relatively few places, unlike the very common copper. Some societies appear to have gone through much of the Bronze Age using bronze only for weapons or elite art, such as Chinese ritual bronzes, with ordinary farmers largely still using stone tools. However, this is hard to assess as the rarity of bronze meant it was keenly recycled. |
Black hole | Q589 | A black hole is a massive, compact astronomical object so dense that its gravity prevents anything from escaping, even light. Albert Einstein's theory of general relativity predicts that a sufficiently compact mass will form a black hole. The boundary of no escape is called the event horizon. A black hole has a great effect on the fate and circumstances of an object crossing it, but has no locally detectable features according to general relativity. In many ways, a black hole acts like an ideal black body, as it reflects no light. Quantum field theory in curved spacetime predicts that event horizons emit Hawking radiation, with the same spectrum as a black body of a temperature inversely proportional to its mass. This temperature is of the order of billionths of a kelvin for stellar black holes, making it essentially impossible to observe directly.
Objects whose gravitational fields are too strong for light to escape were first considered in the 18th century by John Michell and Pierre-Simon Laplace. In 1916, Karl Schwarzschild found the first modern solution of general relativity that would characterise a black hole. Due to his influential research, the Schwarzschild metric is named after him. David Finkelstein, in 1958, first published the interpretation of "black hole" as a region of space from which nothing can escape. Black holes were long considered a mathematical curiosity; it was not until the 1960s that theoretical work showed they were a generic prediction of general relativity. The discovery of neutron stars by Jocelyn Bell Burnell in 1967 sparked interest in gravitationally collapsed compact objects as a possible astrophysical reality. The first black hole known was Cygnus X-1, identified by several researchers independently in 1971.
Black holes typically form when massive stars collapse at the end of their life cycle. After a black hole has formed, it can grow by absorbing mass from its surroundings. Supermassive black holes of millions of solar masses may form by absorbing other stars and merging with other black holes, or via direct collapse of gas clouds. There is consensus that supermassive black holes exist in the centres of most galaxies.
The presence of a black hole can be inferred through its interaction with other matter and with electromagnetic radiation such as visible light. Matter falling toward a black hole can form an accretion disk of infalling plasma, heated by friction and emitting light. In extreme cases, this creates a quasar, some of the brightest objects in the universe. Stars passing too close to a supermassive black hole can be shredded into streamers that shine very brightly before being "swallowed." If other stars are orbiting a black hole, their orbits can be used to determine the black hole's mass and location. Such observations can be used to exclude possible alternatives such as neutron stars. In this way, astronomers have identified numerous stellar black hole candidates in binary systems and established that the radio source known as Sagittarius A*, at the core of the Milky Way galaxy, contains a supermassive black hole of about 4.3 million solar masses. |
Bee | Q7391 | Bees are winged insects closely related to wasps and ants, known for their roles in pollination and, in the case of the best-known bee species, the western honey bee, for producing honey. Bees are a monophyletic lineage within the superfamily Apoidea. They are currently considered a clade, called Anthophila. There are over 20,000 known species of bees in seven recognized biological families. Some species – including honey bees, bumblebees, and stingless bees – live socially in colonies while most species (>90%) – including mason bees, carpenter bees, leafcutter bees, and sweat bees – are solitary.
Bees are found on every continent except Antarctica, in every habitat on the planet that contains insect-pollinated flowering plants. The most common bees in the Northern Hemisphere are the Halictidae, or sweat bees, but they are small and often mistaken for wasps or flies. Bees range in size from tiny stingless bee species, whose workers are less than 2 millimeters (0.08 in) long, to the leafcutter bee Megachile pluto, the largest species of bee, whose females can attain a length of 39 millimeters (1.54 in).
Bees feed on nectar and pollen, the former primarily as an energy source and the latter primarily for protein and other nutrients. Most pollen is used as food for their larvae. Vertebrate predators of bees include primates and birds such as bee-eaters; insect predators include beewolves and dragonflies.
Bee pollination is important both ecologically and commercially, and the decline in wild bees has increased the value of pollination by commercially managed hives of honey bees. The analysis of 353 wild bee and hoverfly species across Britain from 1980 to 2013 found the insects have been lost from a quarter of the places they inhabited in 1980.
Human beekeeping or apiculture (meliponiculture for stingless bees) has been practiced for millennia, since at least the times of Ancient Egypt and Ancient Greece. Bees have appeared in mythology and folklore, through all phases of art and literature from ancient times to the present day, although primarily focused in the Northern Hemisphere where beekeeping is far more common. In Mesoamerica, the Mayans have practiced large-scale intensive meliponiculture since pre-Columbian times. |
Boy band | Q216337 | A boy band is a vocal group consisting of young male singers, usually in their teenage years or in their twenties at the time of formation. Generally, boy bands perform love songs marketed towards girls and young women. Many boy bands dance as well as sing, usually giving highly choreographed performances. South Korean boy bands usually also have designated rappers. Most boy band members do not play musical instruments, either in recording sessions or on stage. They are similar in concept to their counterparts known as girl groups.
Some boy bands are formed on their own, but most are created by talent managers or record producers who hold auditions. The popularity of boy bands has peaked three times: first in the 1960s to '70s, with e.g. the Jackson 5 and the Osmonds; the second time during the late 1980s, the 1990s and the 2000s, when acts such as New Kids on the Block, Take That, Backstreet Boys, Boyzone, NSYNC, Five, Westlife and Blue dominated global pop charts; and the latest time in the 2010s up to the present, with the emergence of groups such as Big Time Rush, the Wanted, One Direction, and K-pop acts such as BTS and Seventeen.
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British Museum | Q6373 | The British Museum is a public museum dedicated to human history, art and culture located in the Bloomsbury area of London. Its permanent collection of eight million works is the largest in the world. It documents the story of human culture from its beginnings to the present. Established in 1753, the British Museum was the first public national museum. In 2023, the museum received 5,820,860 visitors, 42% more than the previous year. At least one group rated it the most popular attraction in the United Kingdom.
At its beginning, the museum was largely based on the collections of the Anglo-Irish physician and scientist Sir Hans Sloane. It opened to the public in 1759, in Montagu House, on the site of the current building. The museum's expansion over the following 250 years was largely a result of British colonisation and resulted in the creation of several branch institutions, or independent spin-offs, the first being the Natural History Museum in 1881. Some of its best-known acquisitions, such as the Greek Elgin Marbles and the Egyptian Rosetta Stone, are subject to long-term disputes and repatriation claims.
In 1973, the British Library Act 1972 detached the library department from the British Museum, but it continued to host the now separated British Library in the same Reading Room and building as the museum until 1997. The museum is a non-departmental public body sponsored by the Department for Culture, Media and Sport. Like all UK national museums, it charges no admission fee except for loan exhibitions. |
British Empire | Q8680 | The British Empire comprised the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts established by England in the late 16th and early 17th centuries, and colonisation attempts by Scotland during the 17th century. At its height in the 19th and early 20th centuries, it became the largest empire in history and, for a century, was the foremost global power. By 1913, the British Empire held sway over 412 million people, 23 percent of the world population at the time, and by 1920, it covered 35.5 million km2 (13.7 million sq mi), 24 per cent of the Earth's total land area. As a result, its constitutional, legal, linguistic, and cultural legacy is widespread. At the peak of its power, it was described as "the empire on which the sun never sets", as the sun was always shining on at least one of its territories.
During the Age of Discovery in the 15th and 16th centuries, Portugal and Spain pioneered European exploration of the globe, and in the process established large overseas empires. Envious of the great wealth these empires generated, England, France, and the Netherlands began to establish colonies and trade networks of their own in the Americas and Asia. A series of wars in the 17th and 18th centuries with the Netherlands and France left Britain the dominant colonial power in North America. Britain became a major power in the Indian subcontinent after the East India Company's conquest of Mughal Bengal at the Battle of Plassey in 1757.
The American War of Independence resulted in Britain losing some of its oldest and most populous colonies in North America by 1783. While retaining control of British North America (now Canada) and territories in and near the Caribbean in the British West Indies, British colonial expansion turned towards Asia, Africa, and the Pacific. After the defeat of France in the Napoleonic Wars (1803–1815), Britain emerged as the principal naval and imperial power of the 19th century and expanded its imperial holdings. It pursued trade concessions in China and Japan, and territory in Southeast Asia. The Great Game and Scramble for Africa also ensued. The period of relative peace (1815–1914) during which the British Empire became the global hegemon was later described as Pax Britannica (Latin for "British Peace"). Alongside the formal control that Britain exerted over its colonies, its dominance of much of world trade, and of its oceans, meant that it effectively controlled the economies of, and readily enforced its interests in, many regions, such as Asia and Latin America. It also came to dominate the Middle East. Increasing degrees of autonomy were granted to its white settler colonies, some of which were formally reclassified as Dominions by the 1920s. By the start of the 20th century, Germany and the United States had begun to challenge Britain's economic lead. Military, economic and colonial tensions between Britain and Germany were major causes of the First World War, during which Britain relied heavily on its empire. The conflict placed enormous strain on its military, financial, and manpower resources. Although the empire achieved its largest territorial extent immediately after the First World War, Britain was no longer the world's preeminent industrial or military power.
In the Second World War, Britain's colonies in East Asia and Southeast Asia were occupied by the Empire of Japan. Despite the final victory of Britain and its allies, the damage to British prestige and the British economy helped accelerate the decline of the empire. India, Britain's most valuable and populous possession, achieved independence in 1947 as part of a larger decolonisation movement, in which Britain granted independence to most territories of the empire. The Suez Crisis of 1956 confirmed Britain's decline as a global power, and the handover of Hong Kong to China on 1 July 1997 symbolised for many the end of the British Empire, though fourteen overseas territories that are remnants of the empire remain under British sovereignty. After independence, many former British colonies, along with most of the dominions, joined the Commonwealth of Nations, a free association of independent states. Fifteen of these, including the United Kingdom, retain the same person as monarch, currently King Charles III. |
Barry Goldwater | Q319129 | -
Barry Morris Goldwater (January 2, 1909 – May 29, 1998) was an American politician and major general in the Air Force Reserve who served as a United States senator from 1953 to 1965 and 1969 to 1987, and was the Republican Party's nominee for president in 1964.
Goldwater was born in Phoenix, Arizona, where he helped manage his family's department store. During World War II, he flew aircraft between the U.S. and India. After the war, Goldwater served in the Phoenix City Council. In 1952, he was elected to the U.S. Senate, where he rejected the legacy of the New Deal and, along with the conservative coalition, fought against the New Deal coalition. Goldwater also challenged his party's moderate to liberal wing on policy issues. He supported the Civil Rights Acts of 1957 and 1960 and the 24th Amendment to the U.S. Constitution but opposed the Civil Rights Act of 1964, disagreeing with Title II and Title VII. In the 1964 U.S. presidential election, Goldwater mobilized a large conservative constituency to win the Republican nomination, but then lost the general election to incumbent Democratic president Lyndon B. Johnson in a landslide.
Goldwater returned to the Senate in 1969 and specialized in defense and foreign policy. He successfully urged president Richard Nixon to resign in 1974 when evidence of a cover-up in the Watergate scandal became overwhelming and impeachment was imminent. In 1986, he oversaw passage of the Goldwater–Nichols Act, which strengthened civilian authority in the U.S. Department of Defense. Near the end of his career, Goldwater's views on social and cultural issues grew increasingly libertarian.
Many political pundits and historians believe he laid the foundation for the conservative revolution to follow as the grassroots organization and conservative takeover of the Republican Party began a long-term realignment in American politics, which helped to bring about the presidency of Ronald Reagan in the 1980s. He also had a substantial impact on the American libertarian movement. After leaving the Senate, Goldwater became supportive of homosexuals serving openly in the military, environmental protection, gay rights, abortion rights, adoption rights for same-sex couples, and the legalization of marijuana. |
Board of directors | Q188628 | A board of directors is a governing body that supervises the activities of a business, a nonprofit organization, or a government agency.
The powers, duties, and responsibilities of a board of directors are determined by government regulations (including the jurisdiction's corporate law) and the organization's own constitution and by-laws. These authorities may specify the number of members of the board, how they are to be chosen, and how often they are to meet.
In an organization with voting members, the board is accountable to, and may be subordinate to, the organization's full membership, which usually elect the members of the board. In a stock corporation, non-executive directors are elected by the shareholders, and the board has ultimate responsibility for the management of the corporation. In nations with codetermination (such as Germany and Sweden), the workers of a corporation elect a set fraction of the board's members.
The board of directors appoints the chief executive officer of the corporation and sets out the overall strategic direction. In corporations with dispersed ownership, the identification and nomination of directors (that shareholders vote for or against) are often done by the board itself, leading to a high degree of self-perpetuation. In a non-stock corporation with no general voting membership, the board is the supreme governing body of the institution, and its members are sometimes chosen by the board itself.
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Balkans | Q23522 | The Balkans ( BAWL-kənz, BOL-kənz), corresponding partially with the Balkan Peninsula (Peninsula of Haemus, Haemaic Peninsula), is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains (Haemus Mountains) that stretch throughout the whole of Bulgaria. The Balkan Peninsula is bordered by the Adriatic Sea in the northwest, the Ionian Sea in the southwest, the Aegean Sea in the south, the Turkish straits in the east, and the Black Sea in the northeast. The northern border of the peninsula is variously defined. The highest point of the Balkans is Musala, 2,925 metres (9,596 ft), in the Rila mountain range, Bulgaria.
The concept of the Balkan Peninsula was created by the German geographer August Zeune in 1808, who mistakenly considered the Balkan Mountains the dominant mountain system of Southeast Europe spanning from the Adriatic Sea to the Black Sea. In the 19th century the term Balkan Peninsula was a synonym for Rumelia, the parts of Europe that were provinces of the Ottoman Empire at the time. It had a geopolitical rather than a geographical definition, which was further promoted during the creation of the Kingdom of Yugoslavia in the early 20th century. The definition of the Balkan Peninsula's natural borders does not coincide with the technical definition of a peninsula; hence modern geographers reject the idea of a Balkan Peninsula, while historical scholars usually discuss the Balkans as a region. The term has acquired a stigmatized and pejorative meaning related to the process of Balkanization. The region may alternatively be referred to as Southeast Europe.
The borders of the Balkans are, due to many contrasting definitions, widely disputed, with no universal agreement on its components. By most definitions, the term fully encompasses Albania, Bosnia and Herzegovina, Bulgaria, Croatia (up to the Sava and Kupa rivers), mainland Greece, Kosovo, Montenegro, North Macedonia, Northern Dobruja in Romania, Serbia (up to the Danube river) and European Turkey. However, many definitions also include the remaining territories of Croatia, Romania and Serbia, and southern parts of Slovenia. Additionally, some definitions include Hungary and Moldova due to cultural and historical affiliations. The Province of Trieste in northeastern Italy, whilst by some definitions on the geographical peninsula, is generally excluded from the Balkans in a regional context. |
Barrister | Q808967 | A barrister is a type of lawyer in common law jurisdictions. Barristers mostly specialize in courtroom advocacy and litigation. Their tasks include arguing cases in courts and tribunals, drafting legal pleadings, researching the law and giving legal opinions.
Barristers are distinguished from solicitors and other types of lawyers (e.g. chartered legal executives) who have more direct access to clients, and may do transactional legal work. In some legal systems, including those of South Africa, Scandinavia, Pakistan, India, Bangladesh, and the British Crown dependencies of Jersey, Guernsey and the Isle of Man, the word barrister is also regarded as an honorific.
In a few jurisdictions, barristers are usually forbidden from "conducting" litigation, and can only act on the instructions of another lawyer, who perform tasks such as corresponding with parties and the court, and drafting court documents. In England and Wales, barristers may seek authorization from the Bar Standards Board to conduct litigation, allowing a barrister to practice in a dual capacity.
In some common law jurisdictions, such as New Zealand and some Australian states and territories, lawyers are entitled to practice both as barristers and solicitors, but it remains a separate system of qualification to practice exclusively as a barrister. In others, such as the United States, the distinction between barristers and other types of lawyers does not exist at all. |
Berkeley, California | Q484678 | Berkeley ( BURK-lee) is a city on the eastern shore of San Francisco Bay in northern Alameda County, California, United States. It is named after the 18th-century Anglo-Irish bishop and philosopher George Berkeley. It borders the cities of Oakland and Emeryville to the south and the city of Albany and the unincorporated community of Kensington to the north. Its eastern border with Contra Costa County generally follows the ridge of the Berkeley Hills. The 2020 census recorded a population of 124,321.
Berkeley is home to the oldest campus in the University of California, the University of California, Berkeley, and the Lawrence Berkeley National Laboratory, which is managed and operated by the university. It also has the Graduate Theological Union, one of the largest religious studies institutions in the world. Berkeley is considered one of the most socially progressive cities in the United States. |
Bengal | Q80338 | Bengal ( ben-GAWL) is a historical geographical, ethnolinguistic and cultural term referring to a region in the eastern part of the Indian subcontinent at the apex of the Bay of Bengal. The region of Bengal proper is divided between the modern-day sovereign nation of Bangladesh and the Indian states of West Bengal, and Karimganj district of Assam.
The ancient Vanga Kingdom is widely regarded as the namesake of the Bengal region. The Bengali calendar dates back to the reign of Shashanka in the 7th century CE. The Pala Empire was founded in Bengal during the 8th century. The Sena dynasty and Deva dynasty ruled between the 11th and 13th centuries. By the 14th century, Bengal was absorbed by Muslim conquests in the Indian subcontinent. An independent Bengal Sultanate was formed and became the eastern frontier of the Islamic world. During this period, Bengal's rule and influence spread to Assam, Arakan, Tripura, Bihar, and Odisha (formerly- Orissa). Bengal Subah later emerged as a prosperous part of the Mughal Empire.
The last independent Nawab of Bengal was defeated in 1757 at the Battle of Plassey by the East India Company. The company's Bengal Presidency grew into the largest administrative unit of British India with Calcutta as the capital of both Bengal and India until 1911. As a result of the first partition of Bengal, a short-lived province called Eastern Bengal and Assam existed between 1905 and 1911 with its capital in the former Mughal capital Dhaka. Following the Sylhet referendum and votes by the Bengal Legislative Council and Bengal Legislative Assembly, the region was again divided along religious lines in 1947.
Bengali culture, particularly its literature, music, art and cinema, are well known in South Asia and beyond. The region is also notable for its economic and social scientists, which includes several Nobel laureates. Once home to the city with the highest per capita income level in British India, the region is today a leader in South Asia in terms of gender parity, the gender pay gap and other indices of human development. |
Bob Knight | Q888594 | Robert Montgomery Knight (October 25, 1940 – November 1, 2023) was an American men's college basketball coach. Nicknamed "the General", he won 902 NCAA Division I men's basketball games, a record at the time of his retirement and sixth all-time record at the time of his death.
Knight was the head coach of the Army Black Knights (1965–1971), the Indiana Hoosiers (1971–2000), and the Texas Tech Red Raiders (2001–2008). While at Army, he led the Black Knights to four post-season tournament appearances in six seasons, winning two-thirds of his games along the way. After taking the job at Indiana, his teams won three NCAA championships, one National Invitation Tournament (NIT) championship, and 11 Big Ten Conference championships. His 1975–76 team won the 1976 NCAA tournament, and is the last men's team in Division I college basketball to go undefeated during an entire season (32–0). They remain, as of the end of the 2024–25 season, the last team to be undefeated national champions. In the seven full seasons that he coached at Texas Tech, his teams qualified for a post-season tournament five times. He retired partway through the 2007–08 season and was replaced by his son Pat Knight at Texas Tech. He later worked as a men's college basketball studio analyst at ESPN.
Knight sparked controversy with his outspoken nature and his volatility. He once threw a chair across the court during a game and was once arrested following a physical confrontation with a police officer. He was accused of choking an Indiana player during practice in an incident that was recorded on video, prompting the university to institute a "zero tolerance" policy for him. Following a subsequent run-in with a student, he was fired by Indiana University in the fall of 2000.
Knight was one of college basketball's most successful and innovative coaches, having popularized the motion offense. He received national coach of the year honors four times and Big Ten Coach of the Year honors eight times. He was also successful on the international stage, winning gold medals at both the 1979 Pan American Games and the 1984 Summer Olympics with the U.S. men's national team. He is one of only three basketball coaches to win an NCAA title, an NIT title, and an Olympic gold medal. He was inducted into the Naismith Memorial Basketball Hall of Fame in 1991.
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Black metal | Q132438 | Black metal is an extreme subgenre of heavy metal music. Common traits include fast tempos, a shrieking vocal style, heavily distorted guitars played with tremolo picking, raw (lo-fi) recording, unconventional song structures, and an emphasis on atmosphere. Artists often appear in corpse paint and adopt pseudonyms.
Venom initiated the "first wave" of black metal, with their 1982 album Black Metal giving it its name. In the following years, the style was developed by Bathory, Mercyful Fate, Hellhammer and Celtic Frost. By 1987, this wave had declined, but influential works were released by Parabellum, Blasphemy, Sarcófago, Tormentor, Samael and Rotting Christ. A "second wave" arose in the early 1990s, spearheaded by bands in the early Norwegian black metal scene, such as Mayhem, Darkthrone, Burzum, Immortal, Emperor, Satyricon and Gorgoroth. They did much to define black metal as a distinct genre. This wave inspired other scenes in Finland (Beherit, Archgoat, Impaled Nazarene); Sweden (Dissection, Abruptum, Marduk, Nifelheim); the United States (Profanatica, Demoncy, Grand Belial's Key, Judas Iscariot); France (Mütiilation, Vlad Tepes); as well as leading to the founding of influential bands in other countries, including Sigh and Cradle of Filth.
Initially a synonym for "Satanic metal", black metal has often sparked controversy. Some artists express misanthropic views, and others advocate anti-Christianity, Satanism, or ethnic paganism. In the 1990s, members of the scene were responsible for a spate of church burnings and murders. There is also a small neo-Nazi movement within black metal, although it has been shunned by many prominent artists. Generally, black metal strives to remain an underground phenomenon. |
Basel | Q78 | Basel ( BAH-zəl; Swiss Standard German: [ˈbaːzl̩] ), also known as Basle ( BAHL), is a city in northwestern Switzerland on the river Rhine (at the transition from the High to the Upper Rhine). Basel is Switzerland's third-most-populous city (after Zurich and Geneva), with 177,595 inhabitants within the city municipality limits. The official language of Basel is Swiss Standard German and the main spoken language is the local Basel German dialect.
Basel is commonly considered to be the cultural capital of Switzerland and the city is famous for its many museums, including the Kunstmuseum, which is the first collection of art accessible to the public in the world (1661) and the largest museum of art in Switzerland, the Fondation Beyeler (located in Riehen), the Museum Tinguely and the Museum of Contemporary Art, which is the first public museum of contemporary art in Europe. Forty museums are spread throughout the city-canton, making Basel one of the largest cultural centres in relation to its size and population in Europe. It is the hometown of the Art Basel, world's most prestigious and influential international art fair, showcasing modern and contemporary works from leading galleries and attracting top collectors, artists, and enthusiasts globally.
The University of Basel, Switzerland's oldest university (founded in 1460), and the city's centuries-long commitment to humanism, have made Basel a safe haven at times of political unrest in other parts of Europe for such notable people as Erasmus of Rotterdam, the Holbein family, Friedrich Nietzsche, Carl Jung, and in the 20th century also Hermann Hesse and Karl Jaspers.
Basel was the seat of a Prince-Bishopric starting in the 11th century, and joined the Swiss Confederacy in 1501. The city has been a commercial hub and an important cultural centre since the Renaissance, and has emerged as a centre for the chemical and pharmaceutical industries in the 20th century. In 1897, Basel was chosen by Theodor Herzl as the location for the first World Zionist Congress, and altogether the congress was held there ten times over a time span of 50 years, more than in any other location. The city is also home to the world headquarters of the Bank for International Settlements. The name of the city is internationally known through institutions like the Basel Accords, Art Basel and FC Basel.
Basel is Switzerland's main centre for the pharmaceutical industry, hosting both Novartis and Roche. In 1938, the world-renowned chemist Albert Hofmann discovered LSD in Basel, where he spent most of his life. Other influential and renowned figures such as Roger Federer, Paracelsus, Matthäus Merian, Michel von Tell and Stephan Remmler are closely associated with the city or were born there. In 1734, the so-called 'Basel Problem' was solved in the city, which is regarded as one of the most important achievements in mathematics.
Basel was ranked the tenth most liveable city in the world by Mercer in 2019. |
Bronze Star Medal | Q928314 | The Bronze Star Medal (BSM) is a United States Armed Forces decoration awarded to members of the United States Armed Forces for either heroic achievement, heroic service, meritorious achievement, or meritorious service in a combat zone.
When the medal is awarded by the Army, Air Force, or Space Force for acts of valor in combat, the "V" device is authorized for wear on the medal. When the medal is awarded by the Navy, Marine Corps, or Coast Guard for acts of valor or meritorious service in combat, the Combat "V" is authorized for wear on the medal.
Officers from the other Uniformed Services of the United States are eligible to receive this award, as are foreign soldiers who have served with or alongside a service branch of the United States Armed Forces.
Civilians serving with U.S. military forces in combat are also eligible for the award. For example, UPI reporter Joe Galloway was awarded the Bronze Star with "V" device for actions during the Vietnam War, specifically rescuing a badly wounded soldier under fire in the Battle of Ia Drang Valley, in 1965. Another civilian recipient was writer Ernest Hemingway.
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Brabham | Q173103 | Motor Racing Developments Ltd., commonly known as Brabham ( BRAB-əm), was a British racing car manufacturer and Formula One racing team. It was founded in 1960 by the Australian driver Jack Brabham and the British-Australian designer Ron Tauranac. The team had a successful thirty-year history, winning four FIA Formula One World Drivers' Championships and two World Constructors' Championships.
Under Brabham and Tauranac, Brabham won double world championships in 1966 and 1967, with the 1966 drivers' title going to Jack Brabham and the 1967 title going to Denny Hulme. Jack Brabham is the only Formula One driver to win a Drivers' Championship in a car bearing his own name. Brabham was the first Formula One team to use a wind tunnel to design cars. It became the world's largest manufacturer of open-wheel racing cars sold to customer teams, having built more than 500 cars by 1970. Teams using Brabham cars won championships in Formula Two and Formula Three. The cars also competed in events like the Indianapolis 500 and Formula 5000 racing.
The businessman Bernie Ecclestone owned Brabham during most of the 1970s and 1980s, and later became responsible for administering the commercial aspects of Formula One. Under Ecclestone and chief designer Gordon Murray, the team won two more Drivers' Championships in the 1980s with Brazilian Nelson Piquet. During this period, the team withdrew from manufacturing customer cars but introduced innovations such as carbon brakes and hydropneumatic suspension; it also reintroduced in-race refuelling. Its unique 'fan car' won its only race, in 1978, before being withdrawn. Piquet won his first championship in 1981 in the ground effect BT49-Ford. In 1983, he became the first driver to win a title with a turbocharged car, the Brabham BT52, which was powered by BMW's M12 straight-four engine and won four Grands Prix that season. Ecclestone sold the team in 1988.
Midway through the 1992 season, the team collapsed financially and was investigated for fraud, as its new owner, Japanese engineering firm Middlebridge, failed to make its loan repayments. In 2009, a German organisation unsuccessfully attempted to enter the 2010 Formula One season using the Brabham name. |
Brisbane Broncos | Q665111 | The Brisbane Broncos are an Australian professional rugby league football club based in Red Hill, a suburb of Brisbane, Queensland. Founded in April 1987, the Broncos compete in the National Rugby League (NRL) and play their home games at Suncorp Stadium in nearby Milton.
The club has won six premierships, including two New South Wales Rugby League premierships, a Super League premiership and three NRL premierships. The Broncos have also won two World Club Challenges, and four minor premierships in multiple competitions. In 2024, it reportedly had more members than any other NRL club with 53,672.
The club was founded in April 1987 as part of the Winfield Cup's national expansion, becoming, along with the Gold Coast-Tweed Giants, one of Queensland's first two participants in the New South Wales Rugby League premiership. The Broncos later became the dominant force in the competition before playing a significant role in the Super League War of the mid-1990s, then continuing to compete successfully in the newly created National Rugby League competition. Trading as Brisbane Broncos Limited (ASX: BBL), it is the only publicly listed sports club on the Australian Securities Exchange.
In 2024, the Brisbane Broncos rugby league club had over 1 million fans. |
Belfast | Q10686 | Belfast ( , BEL-fast, , -fahst; from Irish: Béal Feirste [bʲeːlˠ ˈfʲɛɾˠ(ə)ʃtʲə]) is the capital city and principal port of Northern Ireland, standing on the banks of the River Lagan and connected to the open sea through Belfast Lough and the North Channel. It is the second-largest city in Ireland (after Dublin), with an estimated population of 348,005 in 2022, and a metropolitan area population of 671,559.
First chartered as an English settlement in 1613, the town's early growth was driven by an influx of Scottish Presbyterians. Their descendants' disaffection with Ireland's Anglican establishment contributed to the rebellion of 1798, and to the union with Great Britain in 1800—later regarded as a key to the town's industrial transformation. When granted city status in 1888, Belfast was the world's largest centre of linen manufacture, and by the 1900s her shipyards were building up to a quarter of total United Kingdom tonnage.
Sectarian tensions existed with the Irish Catholic population that was drawn by mill and factory employment from western districts. Heightened by division over Ireland's future in the United Kingdom, these twice erupted in periods of sustained violence: in 1920–22, as Belfast emerged as the capital of the six northeast counties retaining the British connection, and over three decades from the late 1960s during which the British Army was continually deployed on the streets. A legacy of conflict is the barrier-reinforced separation of Protestant and Catholic working-class districts.
Since the Good Friday Agreement, the electoral balance in the once unionist-controlled city has shifted, albeit with no overall majority, in favour of Irish nationalists. At the same time, new immigrants are adding to the growing number of residents unwilling to identify with either of the two communal traditions.
Belfast has seen significant services sector growth, with important contributions from financial technology (fintech), from tourism and, with facilities in the redeveloped Harbour Estate, from film. It retains a port with commercial and industrial docks, including a reduced Harland & Wolff shipyard and aerospace and defence contractors. Post Brexit, Belfast and Northern Ireland remain, uniquely, within both the British domestic and European Single trading areas for goods.
The city is served by two airports: George Best Belfast City Airport, located on the Lough shore, and Belfast International Airport (also known as Aldergrove), located 15 miles (24 kilometres) west of the city. It supports two universities: on the north-side of the city centre, Ulster University, and on the southside the longer established Queens University. Since 2021, Belfast has been a UNESCO designated City of Music. |
Brigham Young | Q203559 | Brigham Young ( BRIG-əm; June 1, 1801 – August 29, 1877) was an American religious leader and politician. He was the second president of the Church of Jesus Christ of Latter-day Saints (LDS Church) from 1847 until his death in 1877. He also served as the first governor of the Utah Territory from 1851 until his resignation in 1858.
Young was born in 1801 in Vermont and raised in Upstate New York. After working as a painter and carpenter, he became a full-time LDS Church leader in 1835. Following a short period of service as a missionary, he moved to Missouri in 1838. Later that year, Missouri governor Lilburn Boggs signed the Mormon Extermination Order and Young organized the migration of the Latter Day Saints from Missouri to Illinois, where he became an inaugural member of the Council of Fifty. In 1844, while he was traveling to gain support for Joseph Smith's presidential campaign, Smith was assassinated, igniting the Illinois Mormon War and triggering a succession crisis in the Latter Day Saint movement. After negotiating a ceasefire, Young was unanimously elected as the second president of the church in 1847. During the Mormon exodus, Young led his followers west from Nauvoo, Illinois, via the Mormon Trail, to the Salt Lake Valley. Once settled in Utah, he ordered the construction of numerous temples, including the Salt Lake Temple. He also formalized the prohibition of black men attaining priesthood and directed the Mormon Reformation. A supporter of education, Young worked to establish the learning institutions that would later become the University of Utah and Brigham Young University.
After arriving in Utah, Young founded Salt Lake City and established the State of Deseret before being appointed Utah's first territorial governor by President Millard Fillmore in 1850. As governor, Young allowed polygamy, supported slavery and its expansion into Utah, and led the efforts to legalize and regulate slavery in the 1852 Act in Relation to Service, based on his beliefs on slavery. He exerted considerable power over the territory through his theocratic political system, theodemocracy. After President James Buchanan appointed a new governor of the territory, Young declared martial law and re-activated the Nauvoo Legion; beginning the Utah War. During the conflict, the Utah Territorial Militia committed a series of attacks that resulted in the mass murder of at least 120 members of the Baker–Fancher immigrant wagon train, known as the Mountain Meadows Massacre. The following month, the Aiken massacre was perpetrated on Young's orders. In 1858, the war ended when Young agreed to resign as governor and allow federal troops to enter the Utah Territory in exchange for a pardon granted to Mormon settlers from President Buchanan.
A polygamist, Young had 56 wives and 57 children. His teachings are contained in the 19 volumes of transcribed and edited sermons in the Journal of Discourses. His legacy and impact are seen throughout the American West, including numerous memorials, temples, and schools named in his honor. In 2016, Young was estimated to have around 30,000 descendants. |
Chess | Q718 | Chess is a board game for two players. It is an abstract strategy game that involves no hidden information and no elements of chance. It is played on a square board consisting of 64 squares arranged in an 8×8 grid. The players, referred to as "White" and "Black", each control sixteen pieces: one king, one queen, two rooks, two bishops, two knights, and eight pawns, with each type of piece having a different pattern of movement. An enemy piece may be captured (removed from the board) by moving one's own piece onto the square it occupies. The object of the game is to "checkmate" (threaten with inescapable capture) the enemy king. There are also several ways a game can end in a draw.
The recorded history of chess goes back to at least the emergence of chaturanga—also thought to be an ancestor to similar games like xiangqi and shogi—in seventh-century India. After its introduction in Persia, it spread to the Arab world and then to Europe. The modern rules of chess emerged in Europe at the end of the 15th century, with standardization and universal acceptance by the end of the 19th century. Today, chess is one of the world's most popular games, with millions of players worldwide.
Organized chess arose in the 19th century. Chess competition today is governed internationally by FIDE (Fédération Internationale des Échecs), the International Chess Federation. The first universally recognized World Chess Champion, Wilhelm Steinitz, claimed his title in 1886; Gukesh Dommaraju is the current World Champion, having won the title in 2024.
A huge body of chess theory has developed since the game's inception. Aspects of art are found in chess composition, and chess in its turn influenced Western culture and the arts, and has connections with other fields such as mathematics, computer science, and psychology. One of the goals of early computer scientists was to create a chess-playing machine. In 1997, Deep Blue became the first computer to beat a reigning World Champion in a match when it defeated Garry Kasparov. Today's chess engines are significantly stronger than the best human players and have deeply influenced the development of chess theory; however, chess is not a solved game. |
Copenhagen | Q1748 | Copenhagen (Danish: København [kʰøpm̩ˈhɑwˀn] ) is the capital and most populous city of Denmark, with a population of 1.4 million in the urban area. The city is situated on the islands of Zealand and Amager, separated from Malmö, Sweden, by the Øresund strait. The Øresund Bridge connects the two cities by rail and road.
Originally a Viking fishing village established in the 10th century in the vicinity of what is now Gammel Strand, Copenhagen became the capital of Denmark in the early 15th century. During the 16th century, the city served as the de facto capital of the Kalmar Union and the seat of the Union's monarchy, which governed most of the modern-day Nordic region as part of a Danish confederation with Sweden and Norway. The city flourished as the cultural and economic centre of Scandinavia during the Renaissance. By the 17th century, it had become a regional centre of power, serving as the heart of the Danish government and military. During the 18th century, Copenhagen suffered from a devastating plague outbreak and urban conflagrations. Major redevelopment efforts included the construction of the prestigious district of Frederiksstaden and the establishment of cultural institutions such as the Royal Theatre and the Royal Academy of Fine Arts. The city also became the centre of the Danish slave trade during this period. In 1807, the city was bombarded by a British fleet during the Napoleonic Wars, before the Danish Golden Age brought a Neoclassical look to Copenhagen's architecture. After World War II, the Finger Plan fostered the development of housing and businesses along the five urban railway routes emanating from the city centre.
Since the turn of the 21st century, Copenhagen has seen strong urban and cultural development, facilitated by investment in its institutions and infrastructure. The city is the cultural, economic, and governmental centre of Denmark; it is one of the major financial centres of Northern Europe with the Copenhagen Stock Exchange. Copenhagen's economy has developed rapidly in the service sector, especially through initiatives in information technology, pharmaceuticals, and clean technology. Since the completion of the Øresund Bridge, Copenhagen has increasingly integrated with the Swedish province of Scania and its largest city, Malmö, forming the Øresund Region. With several bridges connecting the various districts, the cityscape is characterised by parks, promenades, and waterfronts. Copenhagen's landmarks, such as Tivoli Gardens, The Little Mermaid statue, the Amalienborg and Christiansborg palaces, Rosenborg Castle, Frederik's Church, Børsen, and many museums, restaurants, and nightclubs are significant tourist attractions.
Copenhagen is home to the University of Copenhagen, the Technical University of Denmark, Copenhagen Business School, and the IT University of Copenhagen. The University of Copenhagen, founded in 1479, is the oldest university in Denmark. Copenhagen is home to the football clubs F.C. Copenhagen and Brøndby IF. The annual Copenhagen Marathon was established in 1980. Copenhagen is one of the most bicycle-friendly cities in the world. Movia is a public mass transit company serving all of eastern Denmark except Bornholm. The Copenhagen Metro, launched in 2002, serves central Copenhagen. Additionally, the Copenhagen S-train, the Lokaltog (private railway), and the Coast Line network serve and connect central Copenhagen to outlying boroughs. Serving roughly 2.5 million passengers a month, Copenhagen Airport, Kastrup, is the busiest airport in the Nordic countries. |
Classics | Q841090 | Classics, also classical studies or Ancient Greek and Roman studies, is the study of classical antiquity. In the Western world, classics traditionally refers to the study of Ancient Greek and Roman literature and their original languages, Ancient Greek and Latin. Classics may also include as secondary subjects Greco-Roman philosophy, history, archaeology, anthropology, art, mythology, and society.
In Western civilization, the study of the Ancient Greek and Roman classics was considered the foundation of the humanities, and they traditionally have been the cornerstone of an elite higher education. |
Chemistry | Q2329 | Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances. Chemistry also addresses the nature of chemical bonds in chemical compounds.
In the scope of its subject, chemistry occupies an intermediate position between physics and biology. It is sometimes called the central science because it provides a foundation for understanding both basic and applied scientific disciplines at a fundamental level. For example, chemistry explains aspects of plant growth (botany), the formation of igneous rocks (geology), how atmospheric ozone is formed and how environmental pollutants are degraded (ecology), the properties of the soil on the Moon (cosmochemistry), how medications work (pharmacology), and how to collect DNA evidence at a crime scene (forensics).
Chemistry has existed under various names since ancient times. It has evolved, and now chemistry encompasses various areas of specialisation, or subdisciplines, that continue to increase in number and interrelate to create further interdisciplinary fields of study. The applications of various fields of chemistry are used frequently for economic purposes in the chemical industry.
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Central Europe | Q27509 | Central Europe is a geographical region of Europe between Eastern, Southern, Western and Northern Europe. Central Europe is known for its cultural diversity; however, countries in this region also share some historical and cultural similarities.
The region is variously defined but often includes Austria, Croatia, the Czech Republic, Germany, Hungary, Liechtenstein, Lithuania, Poland, Slovakia, Slovenia and Switzerland. From the early 16th century until the early 18th century, parts of Croatia and Hungary were ruled by the Ottoman Empire. During the 17th century, the empire also occupied southern parts of present-day Slovakia. During the Early Modern period, the territories of Poland and Lithuania were part of the Polish–Lithuanian Commonwealth. Meanwhile, the Archduchy of Austria, the Kingdom of Bohemia (Czech Republic), the Duchy of Carniola (part of present-day Slovenia), the various German Principalities and the Old Swiss Confederacy were within the Holy Roman Empire. By the end of the 18th century, the Habsburg monarchy, a prominent power within the Holy Roman Empire, came to reign over the territories of Austria, Bosnia and Herzegovina, Croatia, the Czech Republic, Hungary, Slovakia and Slovenia, alongside parts of Serbia, Germany, Italy, Poland and Switzerland. Between the early 18th and the early 20th centuries, Central Europe had a substantial Jewish population.
Since the Cold War, the countries that make up Central Europe have historically been and in some cases continue to be divided into either Eastern or Western Europe. After World War II, Europe was divided by the Iron Curtain into two parts, the capitalist Western Bloc and the socialist Eastern Bloc, although Austria, Switzerland and Yugoslavia (encompassing the territories of present-day Croatia, Slovenia and various other Balkan nations) declared neutrality. The Berlin Wall was one of the most visible symbols of this division. Respectively, countries in Central Europe have historical, cultural and geopolitical ties with these wider regions of Europe.
Central Europe began a "strategic awakening" in the late 20th and early 21st centuries, with initiatives such as the Central European Defence Cooperation, the Central European Initiative, Centrope, and the Visegrád Four Group. That awakening was accelerated by writers and other intellectuals, who recognized the societal paralysis of decaying dictatorships and felt compelled to speak up against Soviet oppression. |
Christianity | Q5043 | Christianity is an Abrahamic monotheistic religion, which states that Jesus is the Son of God and rose from the dead after his crucifixion, whose coming as the messiah (Christ) was prophesied in the Old Testament and chronicled in the New Testament. It is the world's largest and most widespread religion with over 2.4 billion followers, comprising around 31.2% of the world population. Its adherents, known as Christians, are estimated to make up a majority of the population in 157 countries and territories.
Christianity remains culturally diverse in its Western and Eastern branches, and doctrinally diverse concerning justification and the nature of salvation, ecclesiology, ordination, and Christology. Most Christian denominations however, generally hold in common Jesus as the God the Son—the Logos incarnated—who ministered, suffered, and died on a cross, but rose from the dead for the salvation of humankind; and referred to as the gospel, meaning the "good news". The four canonical gospels of Matthew, Mark, Luke and John describe Jesus' life and teachings as preserved in the early Christian tradition, with the Old Testament as the gospels' respected background.
Christianity began in the 1st century, after the death of Jesus, as a Judaic sect with Hellenistic influence in the Roman province of Judaea. The disciples of Jesus spread their faith around the Eastern Mediterranean area, despite significant persecution. The inclusion of Gentiles led Christianity to slowly separate from Judaism (2nd century). Emperor Constantine I decriminalized Christianity in the Roman Empire by the Edict of Milan in 313 AD, later convening the Council of Nicaea in 325 AD, where Early Christianity was consolidated into what would become the state religion of the Roman Empire by around 380 AD. The Church of the East and Oriental Orthodoxy both split over differences in Christology during the 5th century, while the Eastern Orthodox Church and the Catholic Church separated in the East–West Schism in the year 1054. Protestantism split into numerous denominations from the Catholic Church during the Reformation era (16th century). Following the Age of Discovery (15th–17th century), Christianity expanded throughout the world via missionary work, evangelism, immigration, and extensive trade. Christianity played a prominent role in the development of Western civilization, particularly in Europe from late antiquity and the Middle Ages.
The three main branches of Christianity are Roman Catholicism (1.3 billion people), Protestantism (625 million-900 million), and Eastern Orthodoxy (230 million), while other prominent branches include Oriental Orthodoxy (60 million), Restorationism (35 million), and the Church of the East (600,000). Smaller church communities number in the thousands despite major efforts toward unity (ecumenism). In the West, Christianity remains the dominant religion even with a decline in adherence, with about 70% of that population identifying as Christian. Christianity is growing in Africa and Asia, the world's most populous continents. Many christians are even persecuted in some regions of the world, particularly where they are in the minority in the Middle East, North Africa, East Asia, and South Asia.
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Casino | Q133215 | A casino is a facility for gambling. Casinos are often built near or combined with hotels, resorts, restaurants, retail shops, cruise ships, and other tourist attractions. Some casinos also host live entertainment, such as stand-up comedy, concerts, and sports. |
Central processing unit | Q5300 | A central processing unit (CPU), also called a central processor, main processor, or just processor, is the primary processor in a given computer. Its electronic circuitry executes instructions of a computer program, such as arithmetic, logic, controlling, and input/output (I/O) operations. This role contrasts with that of external components, such as main memory and I/O circuitry, and specialized coprocessors such as graphics processing units (GPUs).
The form, design, and implementation of CPUs have changed over time, but their fundamental operation remains almost unchanged. Principal components of a CPU include the arithmetic–logic unit (ALU) that performs arithmetic and logic operations, processor registers that supply operands to the ALU and store the results of ALU operations, and a control unit that orchestrates the fetching (from memory), decoding and execution (of instructions) by directing the coordinated operations of the ALU, registers, and other components. Modern CPUs devote a lot of semiconductor area to caches and instruction-level parallelism to increase performance and to CPU modes to support operating systems and virtualization.
Most modern CPUs are implemented on integrated circuit (IC) microprocessors, with one or more CPUs on a single IC chip. Microprocessor chips with multiple CPUs are called multi-core processors. The individual physical CPUs, called processor cores, can also be multithreaded to support CPU-level multithreading.
An IC that contains a CPU may also contain memory, peripheral interfaces, and other components of a computer; such integrated devices are variously called microcontrollers or systems on a chip (SoC). |
Colombia | Q739 | Colombia, officially the Republic of Colombia, is a country primarily located in South America with insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuela to the east and northeast, Brazil to the southeast, Peru and Ecuador to the south and southwest, the Pacific Ocean to the west, and Panama to the northwest. Colombia is divided into 32 departments. The Capital District of Bogotá is also the country's largest city hosting the main financial and cultural hub. Other major urban areas include Medellín, Cali, Barranquilla, Cartagena, Santa Marta, Cúcuta, Ibagué, Villavicencio and Bucaramanga. It covers an area of 1,141,748 square kilometers (440,831 sq mi) and has a population of around 52 million. Its rich cultural heritage—including language, religion, cuisine, and art—reflects its history as a colony, fusing cultural elements brought by immigration from Europe and the Middle East, with those brought by the African diaspora, as well as with those of the various Indigenous civilizations that predate colonization. Spanish is the official language, although Creole, English and 64 other languages are recognized regionally.
Colombia has been home to many indigenous peoples and cultures since at least 12,000 BCE. The Spanish first landed in La Guajira in 1499, and by the mid-16th century, they had colonized much of present-day Colombia, and established the New Kingdom of Granada, with Santa Fe de Bogotá as its capital. Independence from the Spanish Empire is considered to have been declared in 1810, with what is now Colombia emerging as the United Provinces of New Granada. After a brief Spanish reconquest, Colombian independence was secured and the period of Gran Colombia began in 1819. The new polity experimented with federalism as the Granadine Confederation (1858) and then the United States of Colombia (1863), before becoming a centralised republic—the current Republic of Colombia—in 1886. With the backing of the United States and France, Panama seceded from Colombia in 1903, resulting in Colombia's present borders. Beginning in the 1960s, the country has suffered from an asymmetric low-intensity armed conflict and political violence, both of which escalated in the 1990s. Since 2005, there has been significant improvement in security, stability, and rule of law, as well as unprecedented economic growth and development. Colombia is recognized for its healthcare system, being the best healthcare in Latin America according to the World Health Organization and 22nd in the world. Its diversified economy is the third-largest in South America, with macroeconomic stability and favorable long-term growth prospects.
Colombia is one of the world's seventeen megadiverse countries; it has the highest level of biodiversity per square mile in the world and the second-highest level overall. Its territory encompasses Amazon rainforest, highlands, grasslands and deserts. It is the only country in South America with coastlines (and islands) along both the Atlantic and Pacific oceans. Colombia is a key member of major global and regional organizations including the UN, the WTO, the OECD, the OAS, the Pacific Alliance and the Andean Community; it is also a NATO Global Partner and a major non-NATO ally of the United States. |
Code | Q188889 | In communications and information processing, code is a system of rules to convert information—such as a letter, word, sound, image, or gesture—into another form, sometimes shortened or secret, for communication through a communication channel or storage in a storage medium. An early example is an invention of language, which enabled a person, through speech, to communicate what they thought, saw, heard, or felt to others. But speech limits the range of communication to the distance a voice can carry and limits the audience to those present when the speech is uttered. The invention of writing, which converted spoken language into visual symbols, extended the range of communication across space and time.
The process of encoding converts information from a source into symbols for communication or storage. Decoding is the reverse process, converting code symbols back into a form that the recipient understands, such as English, Spanish, etc.
One reason for coding is to enable communication in places where ordinary plain language, spoken or written, is difficult or impossible. For example, semaphore, where the configuration of flags held by a signaler or the arms of a semaphore tower encodes parts of the message, typically individual letters, and numbers. Another person standing a great distance away can interpret the flags and reproduce the words sent.
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Carl Linnaeus | Q1043 | Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné, was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming organisms. He is known as the "father of modern taxonomy". Many of his writings were in Latin; his name is rendered in Latin as Carolus Linnæus and, after his 1761 ennoblement, as Carolus a Linné.
Linnaeus was the son of a curate and was born in Råshult, in the countryside of Småland, southern Sweden. He received most of his higher education at Uppsala University and began giving lectures in botany there in 1730. He lived abroad between 1735 and 1738, where he studied and also published the first edition of his Systema Naturae in the Netherlands. He then returned to Sweden where he became professor of medicine and botany at Uppsala. In the 1740s, he was sent on several journeys through Sweden to find and classify plants and animals. In the 1750s and 1760s, he continued to collect and classify animals, plants, and minerals, while publishing several volumes. By the time of his death in 1778, he was one of the most acclaimed scientists in Europe.
Philosopher Jean-Jacques Rousseau sent him the message: "Tell him I know no greater man on Earth." Johann Wolfgang von Goethe wrote: "With the exception of William Shakespeare and Baruch Spinoza, I know no one among the no longer living who has influenced me more strongly." Swedish author August Strindberg wrote: "Linnaeus was in reality a poet who happened to become a naturalist." Linnaeus has been called Princeps botanicorum (Prince of Botanists) and "The Pliny of the North". He is also considered one of the founders of modern ecology.
In botany, the abbreviation L. is used to indicate Linnaeus as the authority for a species' name. In zoology, the abbreviation Linnaeus is generally used; the abbreviations L., Linnæus, and Linné are also used. In older publications, the abbreviation "Linn." is found. Linnaeus's remains constitute the type specimen for the species Homo sapiens following the International Code of Zoological Nomenclature, since the sole specimen that he is known to have examined was himself. |
Coast | Q93352 | A coast (coastline, shoreline, seashore) is the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. Coasts are influenced by the topography of the surrounding landscape and by aquatic erosion, such as that caused by waves. The geological composition of rock and soil dictates the type of shore that is created. Earth has about 620,000 km (390,000 mi) of coastline.
Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity. On land, they harbor ecosystems, such as freshwater or estuarine wetlands, that are important for birds and other terrestrial animals. In wave-protected areas, coasts harbor salt marshes, mangroves, and seagrasses, all of which can provide nursery habitat for finfish, shellfish, and other aquatic animals. Rocky shores are usually found along exposed coasts and provide habitat for a wide range of sessile animals (e.g. mussels, starfish, barnacles) and various kinds of seaweeds.
In physical oceanography, a shore is the wider fringe that is geologically modified by the action of the body of water past and present, and the beach is at the edge of the shore, including the intertidal zone where there is one. Along tropical coasts with clear, nutrient-poor water, coral reefs can often be found at depths of 1–50 m (3.3–164.0 ft).
According to an atlas prepared by the United Nations, about 44% of the human population lives within 150 km (93 mi) of the sea as of 2013. Due to its importance in society and its high population concentrations, the coast is important for major parts of the global food and economic system, and they provide many ecosystem services to humankind. For example, important human activities happen in port cities. Coastal fisheries (commercial, recreational, and subsistence) and aquaculture are major economic activities and create jobs, livelihoods, and protein for the majority of coastal human populations. Other coastal spaces like beaches and seaside resorts generate large revenues through tourism.
Marine coastal ecosystems can also provide protection against sea level rise and tsunamis. In many countries, mangroves are the primary source of wood for fuel (e.g. charcoal) and building material. Coastal ecosystems like mangroves and seagrasses have a much higher capacity for carbon sequestration than many terrestrial ecosystems, and as such can play a critical role in the near-future to help mitigate climate change effects by uptake of atmospheric anthropogenic carbon dioxide.
However, the economic importance of coasts makes many of these communities vulnerable to climate change, which causes increases in extreme weather and sea level rise, as well as related issues like coastal erosion, saltwater intrusion, and coastal flooding. Other coastal issues, such as marine pollution, marine debris, coastal development, and marine ecosystem destruction, further complicate the human uses of the coast and threaten coastal ecosystems.
The interactive effects of climate change, habitat destruction, overfishing, and water pollution (especially eutrophication) have led to the demise of coastal ecosystem around the globe. This has resulted in population collapse of fisheries stocks, loss of biodiversity, increased invasion of alien species, and loss of healthy habitats. International attention to these issues has been captured in Sustainable Development Goal 14 "Life Below Water", which sets goals for international policy focused on preserving marine coastal ecosystems and supporting more sustainable economic practices for coastal communities. Likewise, the United Nations has declared 2021–2030 the UN Decade on Ecosystem Restoration, but restoration of coastal ecosystems has received insufficient attention.
Since coasts are constantly changing, a coastline's exact perimeter cannot be determined; this measurement challenge is called the coastline paradox. The term coastal zone is used to refer to a region where interactions of sea and land processes occur. Both the terms coast and coastal are often used to describe a geographic location or region located on a coastline (e.g., New Zealand's West Coast, or the East, West, and Gulf Coast of the United States.) Coasts with a narrow continental shelf that are close to the open ocean are called pelagic coast, while other coasts are more sheltered coast in a gulf or bay. A shore, on the other hand, may refer to parts of land adjoining any large body of water, including oceans (sea shore) and lakes (lake shore).
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Country music | Q83440 | Country (also called country and western) is a music genre originating in the southern regions of the United States, both the American South and the Southwest. First produced in the 1920s, country music is primarily focused on singing stories about working-class and blue-collar American life.
Country music is known for its ballads and dance tunes (i.e., "honky-tonk music") with simple form, folk lyrics, and harmonies generally accompanied by instruments such as banjos, fiddles, harmonicas, and many types of guitar (including acoustic, electric, steel, and resonator guitars). Though it is primarily rooted in various forms of American folk music, such as old-time music and Appalachian music, many other traditions, including African-American, Mexican, Irish, and Hawaiian music, have had a formative influence on the genre. Blues modes from blues music have been used extensively throughout its history as well.
Once called "hillbilly music", the term country music gained popularity in the 1940s. The genre came to encompass western music, which evolved parallel to “hillbilly music” from similar roots, in the mid-20th century. Contemporary styles of western music include Texas country, red dirt, and Hispano- and Mexican American-led Tejano and New Mexico music, which still exists alongside longstanding indigenous traditions.
In 2009, in the United States, country music was the most-listened-to rush-hour radio genre during the evening commute, and second-most popular in the morning commute.
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Constitution | Q7755 | A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organization or other type of entity, and commonly determines how that entity is to be governed.
When these principles are written down into a single document or set of legal documents, those documents may be said to embody a written constitution; if they are encompassed in a single comprehensive document, it is said to embody a codified constitution. The Constitution of the United Kingdom is a notable example of an uncodified constitution; it is instead written in numerous fundamental acts of a legislature, court cases, and treaties.
Constitutions concern different levels of organizations, from sovereign countries to companies and unincorporated associations. A treaty that establishes an international organization is also its constitution, in that it would define how that organization is constituted. Within states, a constitution defines the principles upon which the state is based, the procedure in which laws are made, and by whom. Some constitutions, especially codified constitutions, also act as limiters of state power, by establishing lines which a state's rulers cannot cross, such as fundamental rights. Changes to constitutions frequently require consensus or supermajority.
The Constitution of India is the longest written constitution of any country in the world, with 146,385 words in its English-language version, while the Constitution of Monaco is the shortest written constitution with 3,814 words. The Constitution of San Marino might be the world's oldest active written constitution, since some of its core documents have been in operation since 1600, while the Constitution of the United States is the oldest active codified constitution. The historical life expectancy of a constitution since 1789 is approximately 19 years. |
Common law | Q30216 | Common law (also known as judicial precedent, judge-made law, or case law) is the body of law primarily developed through judicial decisions rather than statutes. Although common law may incorporate certain statutes, it is largely based on precedent—judicial rulings made in previous similar cases. The presiding judge determines which precedents to apply in deciding each new case.
Common law is deeply rooted in stare decisis ("to stand by things decided"), where courts follow precedents established by previous decisions. When a similar case has been resolved, courts typically align their reasoning with the precedent set in that decision. However, in a "case of first impression" with no precedent or clear legislative guidance, judges are empowered to resolve the issue and establish new precedent.
The common law, so named because it was common to all the king's courts across England, originated in the practices of the courts of the English kings in the centuries following the Norman Conquest in 1066. It established a unified legal system, gradually supplanting the local folk courts and manorial courts. England spread the English legal system across the British Isles, first to Wales, and then to Ireland and overseas colonies; this was continued by the later British Empire. Many former colonies retain the common law system today. These common law systems are legal systems that give great weight to judicial precedent, and to the style of reasoning inherited from the English legal system. Today, approximately one-third of the world's population lives in common law jurisdictions or in mixed legal systems that integrate common law and civil law.
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Constellation | Q8928 | A constellation is an area on the celestial sphere in which a group of visible stars forms a perceived pattern or outline, typically representing an animal, mythological subject, or inanimate object.
The first constellations were likely defined in prehistory. People used them to relate stories of their beliefs, experiences, creation, and mythology. Different cultures and countries invented their own constellations, some of which lasted into the early 20th century before today's constellations were internationally recognized. The recognition of constellations has changed significantly over time. Many changed in size or shape. Some became popular, only to drop into obscurity. Some were limited to a single culture or nation. Naming constellations also helped astronomers and navigators identify stars more easily.
Twelve (or thirteen) ancient constellations belong to the zodiac (straddling the ecliptic, which the Sun, Moon, and planets all traverse). The origins of the zodiac remain historically uncertain; its astrological divisions became prominent c. 400 BC in Babylonian or Chaldean astronomy. Constellations appear in Western culture via Greece and are mentioned in the works of Hesiod, Eudoxus and Aratus. The traditional 48 constellations, consisting of the zodiac and 36 more (now 38, following the division of Argo Navis into three constellations) are listed by Ptolemy, a Greco-Roman astronomer from Alexandria, Egypt, in his Almagest. The formation of constellations was the subject of extensive mythology, most notably in the Metamorphoses of the Latin poet Ovid. Constellations in the far southern sky were added from the 15th century until the mid-18th century when European explorers began traveling to the Southern Hemisphere. Due to Roman and European transmission, each constellation has a Latin name.
In 1922, the International Astronomical Union (IAU) formally accepted the modern list of 88 constellations, and in 1928 adopted official constellation boundaries that together cover the entire celestial sphere. Any given point in a celestial coordinate system lies in one of the modern constellations. Some astronomical naming systems include the constellation where a given celestial object is found to convey its approximate location in the sky. The Flamsteed designation of a star, for example, consists of a number and the genitive form of the constellation's name.
Other star patterns or groups called asterisms are not constellations under the formal definition, but are also used by observers to navigate the night sky. Asterisms may be several stars within a constellation, or they may share stars with more than one constellation. Examples of asterisms include the teapot within the constellation Sagittarius, or the big dipper in the constellation of Ursa Major. |
Printer (computing) | Q82 | In computing, a printer is a peripheral machine which makes a durable representation of graphics or text, usually on paper. While most output is human-readable, bar code printers are an example of an expanded use for printers. Different types of printers include 3D printers, inkjet printers, laser printers, and thermal printers.
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Copyright | Q1297822 | A copyright is a type of intellectual property that gives its owner the exclusive legal right to copy, distribute, adapt, display, and perform a creative work, usually for a limited time. The creative work may be in a literary, artistic, educational, or musical form. Copyright is intended to protect the original expression of an idea in the form of a creative work, but not the idea itself. A copyright is subject to limitations based on public interest considerations, such as the fair use doctrine in the United States and fair dealings doctrine in the United Kingdom.
Some jurisdictions require "fixing" copyrighted works in a tangible form. It is often shared among multiple authors, each of whom holds a set of rights to use or license the work, and who are commonly referred to as rights holders. These rights normally include reproduction, control over derivative works, distribution, public performance, and moral rights such as attribution.
Copyrights can be granted by public law and are in that case considered "territorial rights". This means that copyrights granted by the law of a certain state do not extend beyond the territory of that specific jurisdiction. Copyrights of this type vary by country; many countries, and sometimes a large group of countries, have made agreements with other countries on procedures applicable when works "cross" national borders or national rights are inconsistent.
Typically, the public law duration of a copyright expires 50 to 100 years after the creator dies, depending on the jurisdiction. Some countries require certain copyright formalities to establishing copyright, others recognize copyright in any completed work, without a formal registration. When the copyright of a work expires, it enters the public domain.
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Carbon | Q623 | Carbon (from Latin carbo 'coal') is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons. It belongs to group 14 of the periodic table. Carbon makes up about 0.025 percent of Earth's crust. Three isotopes occur naturally, 12C and 13C being stable, while 14C is a radionuclide, decaying with a half-life of 5,700 years. Carbon is one of the few elements known since antiquity.
Carbon is the 15th most abundant element in the Earth's crust, and the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. Carbon's abundance, its unique diversity of organic compounds, and its unusual ability to form polymers at the temperatures commonly encountered on Earth, enables this element to serve as a common element of all known life. It is the second most abundant element in the human body by mass (about 18.5%) after oxygen.
The atoms of carbon can bond together in diverse ways, resulting in various allotropes of carbon. Well-known allotropes include graphite, diamond, amorphous carbon, and fullerenes. The physical properties of carbon vary widely with the allotropic form. For example, graphite is opaque and black, while diamond is highly transparent. Graphite is soft enough to form a streak on paper (hence its name, from the Greek verb "γράφειν" which means "to write"), while diamond is the hardest naturally occurring material known. Graphite is a good electrical conductor while diamond has a low electrical conductivity. Under normal conditions, diamond, carbon nanotubes, and graphene have the highest thermal conductivities of all known materials. All carbon allotropes are solids under normal conditions, with graphite being the most thermodynamically stable form at standard temperature and pressure. They are chemically resistant and require high temperature to react even with oxygen.
The most common oxidation state of carbon in inorganic compounds is +4, while +2 is found in carbon monoxide and transition metal carbonyl complexes. The largest sources of inorganic carbon are limestones, dolomites and carbon dioxide, but significant quantities occur in organic deposits of coal, peat, oil, and methane clathrates. Carbon forms a vast number of compounds, with about two hundred million having been described and indexed; and yet that number is but a fraction of the number of theoretically possible compounds under standard conditions.
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Computer programming | Q80006 | Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. It involves designing and implementing algorithms, step-by-step specifications of procedures, by writing code in one or more programming languages. Programmers typically use high-level programming languages that are more easily intelligible to humans than machine code, which is directly executed by the central processing unit. Proficient programming usually requires expertise in several different subjects, including knowledge of the application domain, details of programming languages and generic code libraries, specialized algorithms, and formal logic.
Auxiliary tasks accompanying and related to programming include analyzing requirements, testing, debugging (investigating and fixing problems), implementation of build systems, and management of derived artifacts, such as programs' machine code. While these are sometimes considered programming, often the term software development is used for this larger overall process – with the terms programming, implementation, and coding reserved for the writing and editing of code per se. Sometimes software development is known as software engineering, especially when it employs formal methods or follows an engineering design process.
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Czechoslovakia | Q33946 | Czechoslovakia ( CHEK-oh-sloh-VAK-ee-ə, CHEK-ə-, -slə-, -VAH-; Czech and Slovak: Československo, Česko-Slovensko) was a landlocked country in Central Europe, created in 1918, when it declared its independence from Austria-Hungary. In 1938, after the Munich Agreement, the Sudetenland became part of Nazi Germany, while the country lost further territories to Hungary and Poland (the territories of southern Slovakia with a predominantly Hungarian population to Hungary and Zaolzie with a predominantly Polish population to Poland). Between 1939 and 1945, the state ceased to exist, as Slovakia proclaimed its independence and Carpathian Ruthenia became part of Hungary, while the German Protectorate of Bohemia and Moravia was proclaimed in the remainder of the Czech Lands. In 1939, after the outbreak of World War II, former Czechoslovak President Edvard Beneš formed a government-in-exile and sought recognition from the Allies.
After World War II, Czechoslovakia was reestablished under its pre-1938 borders, with the exception of Carpathian Ruthenia, which became part of the Ukrainian SSR (a republic of the Soviet Union). The Communist Party seized power in a coup in 1948. From 1948 to 1989, Czechoslovakia was part of the Eastern Bloc with a planned economy. Its economic status was formalized in membership of Comecon from 1949 and its defense status in the Warsaw Pact of 1955. A period of political liberalization in 1968, the Prague Spring, ended when the Soviet Union, assisted by other Warsaw Pact countries, invaded Czechoslovakia. In 1989, as Marxist–Leninist governments and communism were ending all over Central and Eastern Europe, Czechoslovaks peacefully deposed their communist government during the Velvet Revolution, which began on 17 November 1989 and ended 11 days later on 28 November when all of the top Communist leaders and Communist party itself resigned. On 31 December 1992, Czechoslovakia peacefully split into the two sovereign states of the Czech Republic and Slovakia. |
Computer science | Q21198 | Computer science is the study of computation, information, and automation. Computer science spans theoretical disciplines (such as algorithms, theory of computation, and information theory) to applied disciplines (including the design and implementation of hardware and software).
Algorithms and data structures are central to computer science.
The theory of computation concerns abstract models of computation and general classes of problems that can be solved using them. The fields of cryptography and computer security involve studying the means for secure communication and preventing security vulnerabilities. Computer graphics and computational geometry address the generation of images. Programming language theory considers different ways to describe computational processes, and database theory concerns the management of repositories of data. Human–computer interaction investigates the interfaces through which humans and computers interact, and software engineering focuses on the design and principles behind developing software. Areas such as operating systems, networks and embedded systems investigate the principles and design behind complex systems. Computer architecture describes the construction of computer components and computer-operated equipment. Artificial intelligence and machine learning aim to synthesize goal-orientated processes such as problem-solving, decision-making, environmental adaptation, planning and learning found in humans and animals. Within artificial intelligence, computer vision aims to understand and process image and video data, while natural language processing aims to understand and process textual and linguistic data.
The fundamental concern of computer science is determining what can and cannot be automated. The Turing Award is generally recognized as the highest distinction in computer science. |
Cooking | Q38695 | Cooking, also known as cookery or professionally as the culinary arts, is the art, science and craft of using heat to make food more palatable, digestible, nutritious, or safe. Cooking techniques and ingredients vary widely, from grilling food over an open fire, to using electric stoves, to baking in various types of ovens, to boiling and blanching in water, reflecting local conditions, techniques and traditions. Cooking is an aspect of all human societies and a cultural universal.
Types of cooking also depend on the skill levels and training of the cooks. Cooking is done both by people in their own dwellings and by professional cooks and chefs in restaurants and other food establishments.
Preparing food with heat or fire is an activity unique to humans. Archeological evidence of cooking fires from at least 300,000 years ago exists, but some estimate that humans started cooking up to 2 million years ago.
The expansion of agriculture, commerce, trade, and transportation between civilizations in different regions offered cooks many new ingredients. New inventions and technologies, such as the invention of pottery for holding and boiling of water, expanded cooking techniques. Some modern cooks apply advanced scientific techniques to food preparation to further enhance the flavor of the dish served.
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Video game | Q7889 | A video game or computer game is an electronic game that involves interaction with a user interface or input device (such as a joystick, controller, keyboard, or motion sensing device) to generate visual feedback from a display device, most commonly shown in a video format on a television set, computer monitor, flat-panel display or touchscreen on handheld devices, or a virtual reality headset. Most modern video games are audiovisual, with audio complement delivered through speakers or headphones, and sometimes also with other types of sensory feedback (e.g., haptic technology that provides tactile sensations). Some video games also allow microphone and webcam inputs for in-game chatting and livestreaming.
Video games are typically categorized according to their hardware platform, which traditionally includes arcade video games, console games, and computer games (which includes LAN games, online games, and browser games). More recently, the video game industry has expanded onto mobile gaming through mobile devices (such as smartphones and tablet computers), virtual and augmented reality systems, and remote cloud gaming. Video games are also classified into a wide range of genres based on their style of gameplay and target audience.
The first video game prototypes in the 1950s and 1960s were simple extensions of electronic games using video-like output from large, room-sized mainframe computers. The first consumer video game was the arcade video game Computer Space in 1971, which took inspiration from the earlier 1962 computer game Spacewar!. In 1972 came the now-iconic video game Pong and the first home console, the Magnavox Odyssey. The industry grew quickly during the "golden age" of arcade video games from the late 1970s to early 1980s but suffered from the crash of the North American video game market in 1983 due to loss of publishing control and saturation of the market. Following the crash, the industry matured, was dominated by Japanese companies such as Nintendo, Sega, and Sony, and established practices and methods around the development and distribution of video games to prevent a similar crash in the future, many of which continue to be followed. In the 2000s, the core industry centered on "AAA" games, leaving little room for riskier experimental games. Coupled with the availability of the Internet and digital distribution, this gave room for independent video game development (or "indie games") to gain prominence into the 2010s. Since then, the commercial importance of the video game industry has been increasing. The emerging Asian markets and proliferation of smartphone games in particular are altering player demographics towards casual gaming and increasing monetization by incorporating games as a service.
Today, video game development requires numerous skills, vision, teamwork, and liaisons between different parties, including developers, publishers, distributors, retailers, hardware manufacturers, and other marketers, to successfully bring a game to its consumers. As of 2020, the global video game market had estimated annual revenues of US$159 billion across hardware, software, and services, which is three times the size of the global music industry and four times that of the film industry in 2019, making it a formidable heavyweight across the modern entertainment industry. The video game market is also a major influence behind the electronics industry, where personal computer component, console, and peripheral sales, as well as consumer demands for better game performance, have been powerful driving factors for hardware design and innovation.
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Concrete | Q22657 | Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), the most–widely used building material, and the most-manufactured material in the world.
When aggregate is mixed with dry Portland cement and water, the mixture forms a fluid slurry that can be poured and molded into shape. The cement reacts with the water through a process called hydration, which hardens it after several hours to form a solid matrix that binds the materials together into a durable stone-like material with various uses. This time allows concrete to not only be cast in forms, but also to have a variety of tooled processes performed. The hydration process is exothermic, which means that ambient temperature plays a significant role in how long it takes concrete to set. Often, additives (such as pozzolans or superplasticizers) are included in the mixture to improve the physical properties of the wet mix, delay or accelerate the curing time, or otherwise modify the finished material. Most structural concrete is poured with reinforcing materials (such as steel rebar) embedded to provide tensile strength, yielding reinforced concrete.
Before the invention of Portland cement in the early 1800s, lime-based cement binders, such as lime putty, were often used. The overwhelming majority of concretes are produced using Portland cement, but sometimes with other hydraulic cements, such as calcium aluminate cement. Many other non-cementitious types of concrete exist with other methods of binding aggregate together, including asphalt concrete with a bitumen binder, which is frequently used for road surfaces, and polymer concretes that use polymers as a binder.
Concrete is distinct from mortar. Whereas concrete is itself a building material, and contains both coarse (large) and fine (small) aggregate particles, mortar contains only fine aggregates and is mainly used as a bonding agent to hold bricks, tiles and other masonry units together. Grout is another material associated with concrete and cement. It also does not contain coarse aggregates and is usually either pourable or thixotropic, and is used to fill gaps between masonry components or coarse aggregate which has already been put in place. Some methods of concrete manufacture and repair involve pumping grout into the gaps to make up a solid mass in situ. |
City | Q515 | A city is a human settlement of a substantial size. The term "city" has different meanings around the world and in some places the settlement can be very small. Even where the term is limited to larger settlements, there is no universally agreed definition of the lower boundary for their size. In a narrower sense, a city can be defined as a permanent and densely populated place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing, transportation, sanitation, utilities, land use, production of goods, and communication. Their density facilitates interaction between people, government organizations, and businesses, sometimes benefiting different parties in the process, such as improving the efficiency of goods and service distribution.
Historically, city dwellers have been a small proportion of humanity overall, but following two centuries of unprecedented and rapid urbanization, more than half of the world population now lives in cities, which has had profound consequences for global sustainability. Present-day cities usually form the core of larger metropolitan areas and urban areas—creating numerous commuters traveling toward city centres for employment, entertainment, and education. However, in a world of intensifying globalization, all cities are to varying degrees also connected globally beyond these regions. This increased influence means that cities also have significant influences on global issues, such as sustainable development, climate change, and global health. Because of these major influences on global issues, the international community has prioritized investment in sustainable cities through Sustainable Development Goal 11. Due to the efficiency of transportation and the smaller land consumption, dense cities hold the potential to have a smaller ecological footprint per inhabitant than more sparsely populated areas. Therefore, compact cities are often referred to as a crucial element in fighting climate change. However, this concentration can also have some significant harmful effects, such as forming urban heat islands, concentrating pollution, and stressing water supplies and other resources. |
China | Q148 | China, officially the People's Republic of China (PRC), is a country in East Asia. With a population exceeding 1.4 billion, it is the second-most populous country after India, representing 17.4% of the world population. China spans the equivalent of five time zones and borders fourteen countries by land across an area of nearly 9.6 million square kilometers (3,700,000 sq mi), making it the third-largest country by land area. The country is divided into 33 province-level divisions: 22 provinces, 5 autonomous regions, 4 municipalities, and 2 semi-autonomous special administrative regions. Beijing is the country's capital, while Shanghai is its most populous city by urban area and largest financial center.
China is considered one of the six cradles of civilization, with the first human inhabitants in the region arriving during the Paleolithic. By the late 2nd millennium BCE, the earliest dynastic states had emerged in the Yellow River basin. The 8th–3rd centuries BCE saw a breakdown in the authority of the Zhou dynasty, accompanied by the emergence of administrative and military techniques, literature, philosophy, and historiography. In 221 BCE, China was unified under an emperor, ushering in more than two millennia of imperial dynasties including the Qin, Han, Tang, Yuan, Ming, and Qing. With the invention of gunpowder and paper, the establishment of the Silk Road, and the building of the Great Wall, Chinese culture flourished and has heavily influenced both its neighbors and lands further afield. However, China began to cede parts of the country in the late 19th century to various European powers by a series of unequal treaties.
After decades of Qing China on the decline, the 1911 Revolution overthrew the Qing dynasty and the monarchy and the Republic of China (ROC) was established the following year. The country under the nascent Beiyang government was unstable and ultimately fragmented during the Warlord Era, which was ended upon the Northern Expedition conducted by the Kuomintang (KMT) to reunify the country. The Chinese Civil War began in 1927, when KMT forces purged members of the rival Chinese Communist Party (CCP), who proceeded to engage in sporadic fighting against the KMT-led Nationalist government. Following the country's invasion by the Empire of Japan in 1937, the CCP and KMT formed the Second United Front to fight the Japanese. The Second Sino-Japanese War eventually ended in a Chinese victory; however, the CCP and the KMT resumed their civil war as soon as the war ended. In 1949, the resurgent Communists established control over most of the country, proclaiming the People's Republic of China and forcing the Nationalist government to retreat to the island of Taiwan. The country was split, with both sides claiming to be the sole legitimate government of China. Following the implementation of land reforms, further attempts by the PRC to realize communism failed: the Great Leap Forward was largely responsible for the Great Chinese Famine that ended with millions of Chinese people having died, and the subsequent Cultural Revolution was a period of social turmoil and persecution characterized by Maoist populism. Following the Sino-Soviet split, the Shanghai Communiqué in 1972 would precipitate the normalization of relations with the United States. Economic reforms that began in 1978 moved the country away from a socialist planned economy towards an increasingly capitalist market economy, spurring significant economic growth. A movement for increased democracy and liberalization stalled after the Tiananmen Square protests and massacre in 1989.
China is a unitary one-party socialist republic led by the CCP. It is one of the five permanent members of the UN Security Council; the UN representative for China was changed from the ROC to the PRC in 1971. It is a founding member of several multilateral and regional organizations such as the AIIB, the Silk Road Fund, the New Development Bank, and the RCEP. It is a member of BRICS, the G20, APEC, the SCO, and the East Asia Summit. Making up around one-fifth of the world economy, the Chinese economy is the world's largest by PPP-adjusted GDP and the second-largest by nominal GDP. China is the second-wealthiest country, albeit ranking poorly in measures of democracy, human rights and religious freedom. The country has been one of the fastest-growing major economies and is the world's largest manufacturer and exporter, as well as the second-largest importer. China is a nuclear-weapon state with the world's largest standing army by military personnel and the second-largest defense budget. It is a great power, and has been described as an emerging superpower. China is known for its cuisine and culture and, as a megadiverse country, has 59 UNESCO World Heritage Sites, the second-highest number of any country. |
California | Q99 | California () is a state in the Western United States that lies on the Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares an international border with the Mexican state of Baja California to the south. With over 39 million residents across an area of 163,696 square miles (423,970 km2), it is the largest state by population and third-largest by area.
Prior to European colonization, California was one of the most culturally and linguistically diverse areas in pre-Columbian North America. European exploration in the 16th and 17th centuries led to the colonization by the Spanish Empire. The area became a part of Mexico in 1821, following its successful war for independence, but was ceded to the United States in 1848 after the Mexican–American War. The California gold rush started in 1848 and led to social and demographic changes, including depopulation of Indigenous tribes. It organized itself and was admitted as the 31st state in 1850 as a free state, following the Compromise of 1850. It never had the status of territory.
The Greater Los Angeles and San Francisco Bay areas are the nation's second- and fifth-most populous urban regions, with 19 million and 10 million residents respectively. Los Angeles is the state's most populous city and the nation's second-most. California's capital is Sacramento. Part of the Californias region of North America, the state's diverse geography ranges from the Pacific Coast and metropolitan areas in the west to the Sierra Nevada mountains in the east, and from the redwood and Douglas fir forests in the northwest to the Mojave Desert in the southeast. Two-thirds of the nation's earthquake risk lies in California. The Central Valley, a fertile agricultural area, dominates the state's center. The large size of the state results in climates that vary from moist temperate rainforest in the north to arid desert in the interior, as well as snowy alpine in the mountains. Droughts and wildfires are an ongoing issue, while simultaneously, atmospheric rivers are turning increasingly prevalent and leading to intense flooding events—especially in the winter.
The economy of California is the largest of any U.S. state, with an estimated 2024 gross state product of $4.132 trillion as of Q3 2024. If it were an independent country, it would be the fourth-largest economy in the world (putting it, as of 2025, behind Germany and ahead of Japan) when ranked by nominal GDP. The state's agricultural industry also leads the nation in agricultural output, led by its production of dairy, almonds, and grapes. With the busiest port in the country (Los Angeles), California plays a pivotal role in the global supply chain, hauling in about 40% of goods imported to the US. Notable contributions to popular culture, ranging from entertainment, sports, music, and fashion, have their origins in California. Hollywood in Los Angeles is the center of the U.S. film industry; profoundly influencing global entertainment since the 1920s. The San Francisco Bay's Silicon Valley is the center of the global technology industry. |
Columbia River | Q2251 | The Columbia River (Upper Chinook: Wimahl or Wimal; Sahaptin: Nch’i-Wàna or Nchi wana; Sinixt dialect swah'netk'qhu) is the largest river in the Pacific Northwest region of North America. The river forms in the Rocky Mountains of British Columbia, Canada. It flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state of Oregon before emptying into the Pacific Ocean. The river is 1,243 mi (2,000 km) long, and its largest tributary is the Snake River. Its drainage basin is roughly the size of France and extends into seven states of the United States and one Canadian province. The fourth-largest river in the United States by flow, the Columbia has the greatest flow of any river into the eastern Pacific.
The Columbia and its tributaries have been central to the region's culture and economy for thousands of years. They have been used for transportation since ancient times, linking the region's many cultural groups. The river system hosts many species of anadromous fish, which migrate between freshwater habitats and the saline waters of the Pacific Ocean. These fish—especially the salmon species—provided the core subsistence for native peoples.
The first documented European discovery of the Columbia River occurred when Bruno de Heceta sighted the river's mouth in 1775. On May 11, 1792, a private American ship, Columbia Rediviva, under Captain Robert Gray from Boston became the first non-indigenous vessel to enter the river. Later in 1792, William Robert Broughton of the British Royal Navy commanding HMS Chatham as part of the Vancouver Expedition, navigated past the Oregon Coast Range and 100 miles (160 km) upriver to what is now Vancouver, Washington. In the following decades, fur-trading companies used the Columbia as a key transportation route. Overland explorers entered the Willamette Valley through the scenic, but treacherous Columbia River Gorge, and pioneers began to settle the valley in increasing numbers. Steamships along the river linked communities and facilitated trade; the arrival of railroads in the late 19th century, many running along the river, supplemented these links.
Since the late 19th century, public and private sectors have extensively developed the river. To aid ship and barge navigation, locks have been built along the lower Columbia and its tributaries, and dredging has opened, maintained, and enlarged shipping channels. Since the early 20th century, dams have been built across the river for power generation, navigation, irrigation, and flood control. The 14 hydroelectric dams on the Columbia's main stem and many more on its tributaries produce more than 44 percent of total U.S. hydroelectric generation. Production of nuclear power has taken place at two sites along the river. Plutonium for nuclear weapons was produced for decades at the Hanford Site, which is now the most contaminated nuclear site in the United States. These developments have greatly altered river environments in the watershed, mainly through industrial pollution and barriers to fish migration. |
Capitalism | Q6206 | Capitalism is an economic system based on the private ownership of the means of production and their use for the purpose of obtaining profit. This socioeconomic system has developed historically through several stages and is defined by a number of basic constituent elements: private property, profit motive, capital accumulation, competitive markets, commodification, wage labor, and an emphasis on innovation and economic growth. Capitalist economies tend to experience a business cycle of economic growth followed by recessions.
Economists, historians, political economists, and sociologists have adopted different perspectives in their analyses of capitalism and have recognized various forms of it in practice. These include laissez-faire or free-market capitalism, state capitalism, and welfare capitalism. Different forms of capitalism feature varying degrees of free markets, public ownership, obstacles to free competition, and state-sanctioned social policies. The degree of competition in markets and the role of intervention and regulation, as well as the scope of state ownership, vary across different models of capitalism. The extent to which different markets are free and the rules defining private property are matters of politics and policy. Most of the existing capitalist economies are mixed economies that combine elements of free markets with state intervention and in some cases economic planning.
Capitalism in its modern form emerged from agrarianism in England, as well as mercantilist practices by European countries between the 16th and 18th centuries. The Industrial Revolution of the 18th century established capitalism as a dominant mode of production, characterized by factory work, and a complex division of labor. Through the process of globalization, capitalism spread across the world in the 19th and 20th centuries, especially before World War I and after the end of the Cold War. During the 19th century, capitalism was largely unregulated by the state, but became more regulated in the post–World War II period through Keynesianism, followed by a return of more unregulated capitalism starting in the 1980s through neoliberalism. |
Cardiology | Q10379 | Cardiology (from Ancient Greek καρδίᾱ (kardiā) 'heart' and -λογία (-logia) 'study') is the study of the heart. Cardiology is a branch of medicine that deals with disorders of the heart and the cardiovascular system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease, and electrophysiology. Physicians who specialize in this field of medicine are called cardiologists, a sub-specialty of internal medicine. Pediatric cardiologists are pediatricians who specialize in cardiology. Physicians who specialize in cardiac surgery are called cardiothoracic surgeons or cardiac surgeons, a specialty of general surgery. |
Cameroon | Q1009 | Cameroon, officially the Republic of Cameroon, is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Its coastline lies on the Bight of Biafra, part of the Gulf of Guinea, and the Atlantic Ocean. Due to its strategic position at the crossroads between West Africa and Central Africa, it has been categorized as being in both camps. Cameroon's population of nearly 31 million people speak 250 native languages, in addition to the national tongues of English and French, or both. Early inhabitants of the territory included the Sao civilisation around Lake Chad and the Baka hunter-gatherers in the southeastern rainforest. Portuguese explorers reached the coast in the 15th century and named the area Rio dos Camarões (Shrimp River), which became Cameroon in English. Fulani soldiers founded the Adamawa Emirate in the north in the 19th century, and various ethnic groups of the west and northwest established powerful chiefdoms and fondoms.
Cameroon became a German colony in 1884 known as Kamerun. After World War I, it was divided between France and the United Kingdom as League of Nations mandates. France took four-fifths and the United Kingdom one-fifth of the territory and both ruled it under mandate until independence in 1960 and 1961 respectively. The Union des Populations du Cameroun (UPC) political party advocated independence but was outlawed by France in the 1950s, leading to the national liberation insurgency fought between French and UPC militant forces until early 1971. In 1960, the French-administered part of Cameroon became independent, as the Republic of Cameroun, under President Ahmadou Ahidjo. The southern part of British Cameroons federated with it in 1961 to form the Federal Republic of Cameroon. The federation was abandoned in 1972. The country was renamed the United Republic of Cameroon in 1972 and back to the Republic of Cameroon in 1984 by a presidential decree by President Paul Biya. Biya, the incumbent president, has led the country since 1982 following Ahidjo's resignation; he previously held office as prime minister from 1975 onward. Cameroon is governed as a unitary presidential republic.
The official languages of Cameroon are French and English, the official languages of former French Cameroons and British Cameroons. Christianity is the majority religion in Cameroon, with significant minorities practising Islam and traditional faiths. It has experienced tensions from the English-speaking territories, where politicians have advocated for greater decentralisation and even complete separation or independence (as in the Southern Cameroons National Council). In 2017, tensions over the creation of an Ambazonian state in the English-speaking territories escalated into open warfare. Large numbers of Cameroonians live as subsistence farmers. The country is often referred to as "Africa in miniature" for its geological, linguistic, and cultural diversity. Its natural features include beaches, deserts, mountains, rainforests, and savannas. Cameroon's highest point, at almost 4,100 metres (13,500 ft), is Mount Cameroon in the Southwest Region.
Cameroon's most populous cities are Douala on the Wouri River, its economic capital and main seaport; Yaoundé, its political capital; and Garoua. Limbé in the southwest has a natural seaport. Cameroon is well known for its native music styles, particularly Makossa, Njang, and Bikutsi, and its successful national football team. It is a member state of the African Union, the United Nations, the Organisation Internationale de la Francophonie (OIF), the Commonwealth of Nations, the Non-Aligned Movement, and the Organisation of Islamic Cooperation. |
Central African Republic | Q929 | The Central African Republic (CAR) is a landlocked country in Central Africa. It is bordered by Chad to the north, Sudan to the northeast, South Sudan to the east, the Democratic Republic of the Congo to the south, the Republic of the Congo to the southwest, and Cameroon to the west. Bangui is the country's capital and largest city, bordering the Democratic Republic of the Congo. The Central African Republic covers a land area of about 620,000 square kilometres (240,000 sq mi). As of 2024, it has a population of 5,357,744, consisting of about 80 ethnic groups, and is in the scene of a civil war, which has been ongoing since 2012. Having been a French colony under the name Ubangi-Shari, French is the official language, with Sango, a Ngbandi-based creole language, as the national and co-official language.
The Central African Republic mainly consists of Sudano-Guinean savanna, but the country also includes a Sahelo-Sudanian zone in the north and an equatorial forest zone in the south. Two-thirds of the country is within the Ubangi River basin (which flows into the Congo), while the remaining third lies in the basin of the Chari, which flows into Lake Chad.
What is today the Central African Republic has been inhabited since at least 8,000 BCE. The country's borders were established by France, which began annexing portions to the French Congo in the late 19th century and in 1903 established the separate colony of Ubangi-Shari, part of French Equatorial Africa. After gaining independence from France in 1960, the Central African Republic was ruled by a series of autocratic leaders, including under Jean-Bedel Bokassa who changed the country's name to the Central African Empire and ruled as a monarch from 1976 to 1979.
By the 1990s, calls for democracy led to the first multi-party democratic elections in 1993. Ange-Félix Patassé became president, but was later removed by General François Bozizé in a 2003 coup. The Central African Republic Bush War began in 2004 and, despite a peace treaty in 2007 and another in 2011, civil war resumed in 2012. The civil war perpetuated the country's poor human rights record: it was characterized by widespread and increasing abuses by various participating armed groups, such as arbitrary imprisonment, torture, and restrictions on freedom of the press and freedom of movement.
Despite its significant mineral deposits and other resources, such as uranium reserves, crude oil, gold, diamonds, cobalt, lumber, and hydropower, as well as significant quantities of arable land, the Central African Republic is among the ten poorest countries in the world, with the lowest GDP per capita at purchasing power parity in the world as of 2017. As of 2023, according to the Human Development Index (HDI), the country had the third-lowest level of human development, ranking 191 out of 193 countries. The country had the second lowest inequality-adjusted Human Development Index (IHDI), ranking 164th out of 165 countries. The Central African Republic is also estimated to be the unhealthiest country as well as the worst country to be in for young people.
The Central African Republic is a member of the United Nations, the African Union, the Economic Community of Central African States, the Organisation internationale de la Francophonie and the Non-Aligned Movement.
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Chad | Q657 | Chad, officially the Republic of Chad, is a landlocked country at the crossroads of North and Central Africa. It is bordered by Libya to the north, Sudan to the east, the Central African Republic to the south, Cameroon to the southwest, Nigeria to the southwest (at Lake Chad), and Niger to the west. Chad has a population of 19 million, of which 1.6 million live in the capital and largest city of N'Djamena. With a total area of around 1,300,000 km2 (500,000 sq mi), Chad is the fifth-largest country in Africa and the twentieth largest nation by area.
Chad has several regions: the Sahara desert in the north, an arid zone in the centre known as the Sahel, and a more fertile Sudanian Savanna zone in the south. Lake Chad, after which the country is named, is the second-largest wetland in Africa. Chad's official languages are Arabic and French. It is home to over 200 ethnic and linguistic groups. Islam (55.1%) and Christianity (41.1%) are the main religions practiced in Chad.
Beginning in the 7th millennium BC, human populations moved into the Chadian basin in great numbers. By the end of the 1st millennium AD, a series of states and empires had risen and fallen in Chad's Sahelian strip, each focused on controlling the trans-Saharan trade routes that passed through the region. France conquered the territory by 1920 and incorporated it as part of French Equatorial Africa. In 1960, Chad obtained independence under the leadership of François Tombalbaye. Resentment towards his policies in the Muslim north culminated in the eruption of a long-lasting civil war in 1965. In 1979 the rebels conquered the capital and put an end to the South's hegemony. The rebel commanders then fought amongst themselves until Hissène Habré defeated his rivals. The Chadian–Libyan conflict erupted in 1978 by the Libyan invasion which stopped in 1987 with a French military intervention (Operation Épervier). Hissène Habré was overthrown in turn in 1990 by his general Idriss Déby. With French support, a modernisation of the Chad National Army was initiated in 1991. From 2003, the Darfur crisis in Sudan spilt over the border and destabilised the nation. Already poor, the nation struggled to accommodate the hundreds of thousands of Sudanese refugees in eastern Chad.
While many political parties participated in Chad's legislature, the National Assembly, power laid firmly in the hands of the Patriotic Salvation Movement during the presidency of Idriss Déby, whose rule was described as authoritarian. After President Déby was killed by FACT rebels in April 2021, the Transitional Military Council led by his son Mahamat Déby assumed control of the government and dissolved the Assembly. Chad remains plagued by political violence and recurrent attempted coups d'état. Chad ranks the 4th lowest in the Human Development Index and is among the poorest and most corrupt countries. Most of its inhabitants live in poverty as subsistence herders and farmers. Since 2003 crude oil has become the country's primary source of export earnings. Chad has a poor human rights record.
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Chile | Q298 | Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes Mountains and the Pacific Ocean. Chile had a population of 17.5 million as of the latest census in 2017 and has a territorial area of 756,102 square kilometers (291,933 sq mi), sharing borders with Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage to the south. The country also controls several Pacific islands, including Juan Fernández, Isla Salas y Gómez, Desventuradas, and Easter Island, and claims about 1,250,000 square kilometers (480,000 sq mi) of Antarctica as the Chilean Antarctic Territory. The capital and largest city of Chile is Santiago, and the national language is Spanish.
Spain conquered and colonized the region in the mid-16th century, replacing Inca rule; however, they failed to conquer the autonomous tribal Mapuche people who inhabited what is now south-central Chile. Chile emerged as a relatively stable authoritarian republic in the 1830s after their 1818 declaration of independence from Spain. During the 19th century, Chile experienced significant economic and territorial growth, putting an end to Mapuche resistance in the 1880s and gaining its current northern territory in the War of the Pacific (1879–83) by defeating Peru and Bolivia. In the 20th century, up until the 1970s, Chile underwent a process of democratization and experienced rapid population growth and urbanization, while relying increasingly on exports from copper mining to support its economy. During the 1960s and 1970s, the country was marked by severe left-right political polarization and turmoil, which culminated in the 1973 Chilean coup d'état that overthrew Salvador Allende's democratically elected left-wing government. This was followed by a 16-year right-wing military dictatorship under Augusto Pinochet, in which the 1980 Chilean Constitution was made with the consultancy of the Ortúzar Commission as well as several political and economic reforms, and resulted in more than 3,000 deaths or disappearances. The regime ended in 1990, following a referendum in 1988, and was succeeded by a center-left coalition, which ruled until 2010.
Chile is a high-income economy and is one of the most economically and socially stable nations in South America. Chile also performs well in the region in terms of sustainability of the state and democratic development. Chile is a founding member of the United Nations, the Community of Latin American and Caribbean States (CELAC), and the Pacific Alliance, and joined the OECD in 2010. |
Costa Rica | Q800 | Costa Rica, officially the Republic of Costa Rica, is a country in Central America. It borders Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, and the Pacific Ocean to the southwest, as well as maritime border with Ecuador to the south of Cocos Island. It has a population of around five million in a land area of nearly 51,180 km2 (19,760 sq mi). An estimated 352,381 people live in the capital and largest city, San José, with around two million people in the surrounding metropolitan area.
The sovereign state is a presidential republic. It has a long-standing and stable constitutional democracy and a highly educated workforce. The country spends roughly 6.9% of its budget (2016) on education, compared to a global average of 4.4%. Its economy, once heavily dependent on agriculture, has diversified to include sectors such as finance, corporate services for foreign companies, pharmaceuticals, and ecotourism. Many foreign manufacturing and services companies operate in Costa Rica's Free Trade Zones (FTZ) where they benefit from investment and tax incentives.
Costa Rica was inhabited by indigenous peoples before coming under Spanish rule in the 16th century. It remained a peripheral colony of the empire until independence as part of the First Mexican Empire, followed by membership in the Federal Republic of Central America, from which it formally declared independence in 1847. Following the brief Costa Rican Civil War in 1948, it permanently abolished its army in 1949, becoming one of only a few sovereign nations without a standing army.
The country has consistently performed favorably in the Human Development Index (HDI), placing 58th in the world as of 2022, and fifth in Latin America. It has also been cited by the United Nations Development Programme (UNDP) as having attained much higher human development than other countries at the same income levels, with a better record on human development and inequality than the median of the region. It performs well in comparisons of democratic governance, press freedom, subjective happiness and sustainable wellbeing. It has the 26th freest press according to the 2024 Press Freedom Index, it is the 35th most democratic country according to the 2021 Freedom in the World index, and it is the 23rd happiest country in the 2023 World Happiness Report. It is also a major tourist destination in the continent. |
Cyprus | Q229 | Cyprus ( ), officially the Republic of Cyprus, is an island country in the eastern Mediterranean Sea. Although it is geographically located in West Asia, its cultural identity and geopolitical make-up are overwhelmingly Southeast European. It is the third largest and third most populous island in the Mediterranean. It is located southeast of Greece, south of Turkey, west of Syria and Lebanon, northwest of Israel and Palestine, and north of Egypt. Its capital and largest city is Nicosia. Cyprus hosts the British-controlled military bases Akrotiri and Dhekelia, whilst the northeast portion of the island is de facto governed by the self-declared Turkish Republic of Northern Cyprus, which is separated from the Republic of Cyprus by the United Nations Buffer Zone.
Cyprus was first settled by hunter-gatherers around 13,000 years ago, with farming settlements emerging a few thousand years later. During the late Bronze Age, Cyprus (then called Alashiya) developed an urbanised society closely connected to the wider Mediterranean world. Cyprus experienced waves of settlement by Mycenaean Greeks at the end of the 2nd millennium BC. It was subsequently occupied by several empires, including the Assyrians, Ancient Egyptians, and Persians, from whom the island was seized in 333 BC by Alexander the Great. Subsequent rule by Ptolemaic Egypt, the Classical and Eastern Roman Empire, Arab caliphates, the French Lusignans, and the Venetians was followed by over three centuries of Ottoman rule between 1571 and 1878 (de jure until 1914). Cyprus was placed under the United Kingdom's administration based on the Cyprus Convention in 1878, and was formally annexed by the UK in 1914.
The future of the island became a matter of disagreement between the two prominent ethnic communities, Greek Cypriots and Turkish Cypriots. From the 19th century onwards, the Greek Cypriot population pursued enosis (union with Greece), which became a Greek national policy in the 1950s. The Turkish Cypriot population initially advocated for the continuation of British rule, then demanded the annexation of the island to Turkey; in the 1950s, together with Turkey, they established a policy of taksim (the partition of Cyprus and the creation of a Turkish polity in the north of the island). Following nationalist violence in the 1950s, Cyprus was granted independence in 1960. The crisis of 1963–64 brought further intercommunal violence between the two communities, displaced more than 25,000 Turkish Cypriots into enclaves,: 56–59 and brought the end of Turkish Cypriot representation in the republic. On 15 July 1974, a coup d'état was staged by Greek Cypriot nationalists and elements of the Greek military junta. This action precipitated the Turkish invasion of Cyprus on 20 July, which led to the capture of the present-day territory of Northern Cyprus and the displacement of over 150,000 Greek Cypriots and 50,000 Turkish Cypriots. A separate Turkish Cypriot state in the north was established by unilateral declaration in 1983, which was widely condemned by the international community and led to Turkey being the only country to recognise the new state. These events and the resulting political situation are matters of an ongoing dispute.
Cyprus is a major tourist destination with an advanced high-income economy. It has been a member of the Commonwealth of Nations since 1961 and was a founding member of the Non-Aligned Movement until it joined the European Union on 1 May 2004. On 1 January 2008, it joined the eurozone. Cyprus has long maintained good relations with NATO while refusing to join it, but confirmed in 2024 that it now intends to officially join.
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Cretaceous | Q44626 | The Cretaceous (IPA: krih-TAY-shəss) is a geological period that lasted from about 143.1 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 77.1 million years, it is the ninth and longest geological period of the entire Phanerozoic. The name is derived from the Latin creta, 'chalk', which is abundant in the latter half of the period. It is usually abbreviated K, for its German translation Kreide.
The Cretaceous was a period with a relatively warm climate, resulting in high eustatic sea levels that created numerous shallow inland seas. These oceans and seas were populated with now-extinct marine reptiles, ammonites, and rudists, while dinosaurs continued to dominate on land. The world was largely ice-free, although there is some evidence of brief periods of glaciation during the cooler first half, and forests extended to the poles.
Many of the dominant taxonomic groups present in modern times can be ultimately traced back to origins in the Cretaceous. During this time, new groups of mammals and birds appeared, including the earliest relatives of placentals & marsupials (Eutheria and Metatheria respectively), with the earliest crown group birds appearing towards to the end of the Cretaceous. Teleost fish, the most diverse group of modern vertebrates continued to diversify during the Cretaceous with the appearance of their most diverse subgroup Acanthomorpha during this period. During the Early Cretaceous, flowering plants appeared and began to rapidly diversify, becoming the dominant group of plants across the Earth by the end of the Cretaceous, coincident with the decline and extinction of previously widespread gymnosperm groups.
The Cretaceous (along with the Mesozoic) ended with the Cretaceous–Paleogene extinction event, a large mass extinction in which many groups, including non-avian dinosaurs, pterosaurs, and large marine reptiles, died out, widely thought to have been caused by the impact of a large asteroid that formed the Chicxulub crater in the Gulf of Mexico. The end of the Cretaceous is defined by the abrupt Cretaceous–Paleogene boundary (K–Pg boundary), a geologic signature associated with the mass extinction that lies between the Mesozoic and Cenozoic Eras. |
Comedy film | Q157443 | The comedy film is a film genre that emphasizes humor. These films are designed to amuse audiences and make them laugh. Films in this genre typically have a happy ending, with dark comedy being an exception to this rule. Comedy is one of the oldest genres in film, and it is derived from classical comedy in theatre. Some of the earliest silent films were slapstick comedies, which often relied on visual depictions, such as sight gags and pratfalls, so they could be enjoyed without requiring sound. To provide drama and excitement to silent movies, live music was played in sync with the action on the screen, on pianos, organs, and other instruments. When sound films became more prevalent during the 1920s, comedy films grew in popularity, as laughter could result from both burlesque situations but also from humorous dialogue.
Comedy, compared with other film genres, places more focus on individual star actors, with many former stand-up comics transitioning to the film industry due to their popularity.
In The Screenwriters Taxonomy (2017), Eric R. Williams contends that film genres are fundamentally based upon a film's atmosphere, character, and story, and therefore, the labels "drama" and "comedy" are too broad to be considered a genre. Instead, his taxonomy argues that comedy is a type of film that contains at least a dozen different sub-types. A number of hybrid genres have emerged, such as action comedy and romantic comedy.
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Currency | Q8142 | A currency is a standardization of money in any form, in use or circulation as a medium of exchange, for example banknotes and coins. A more general definition is that a currency is a system of money in common use within a specific environment over time, especially for people in a nation state. Under this definition, the British Pound sterling (£), euros (€), Japanese yen (¥), and U.S. dollars (US$) are examples of (government-issued) fiat currencies. Currencies may act as stores of value and be traded between nations in foreign exchange markets, which determine the relative values of the different currencies. Currencies in this sense are either chosen by users or decreed by governments, and each type has limited boundaries of acceptance; i.e., legal tender laws may require a particular unit of account for payments to government agencies.
Other definitions of the term currency appear in the respective synonymous articles: banknote, coin, and money. This article uses the definition which focuses on the currency systems of countries.
One can classify currencies into three monetary systems: fiat money, commodity money, and representative money, depending on what guarantees a currency's value (the economy at large vs. the government's precious metal reserves). Some currencies function as legal tender in certain jurisdictions, or for specific purposes, such as payment to a government (taxes), or government agencies (fees, fines). Others simply get traded for their economic value.
The concept of a digital currency has arisen in recent years. Whether government-backed digital notes and coins (such as the digital renminbi in China, for example) will be successfully developed and implemented remains unknown. Digital currencies that are not issued by a government monetary authority, such as cryptocurrencies like Bitcoin, are different because their value is market-dependent and has no safety net. Various countries have expressed concern about the opportunities that cryptocurrencies create for illegal activities such as scams, ransomware (extortion), money laundering and terrorism. In 2014, the United States IRS advised that virtual currency is treated as property for federal income-tax purposes, and it provides examples of how long-standing tax principles applicable to transactions involving property apply to virtual currency.
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Central bank | Q66344 | A central bank, reserve bank, national bank, or monetary authority is an institution that manages the monetary policy of a country or monetary union. In contrast to a commercial bank, a central bank possesses a monopoly on increasing the monetary base. Many central banks also have supervisory or regulatory powers to ensure the stability of commercial banks in their jurisdiction, to prevent bank runs, and, in some cases, to enforce policies on financial consumer protection, and against bank fraud, money laundering, or terrorism financing. Central banks play a crucial role in macroeconomic forecasting, which is essential for guiding monetary policy decisions, especially during times of economic turbulence.
Central banks in most developed nations are usually set up to be institutionally independent from political interference, even though governments typically have governance rights over them, legislative bodies exercise scrutiny, and central banks frequently do show responsiveness to politics.
Issues like central bank independence, central bank policies, and rhetoric in central bank governors' discourse or the premises of macroeconomic policies (monetary and fiscal policy) of the state, are a focus of contention and criticism by some policymakers, researchers, and specialized business, economics, and finance media. |
Calcium | Q706 | Calcium is a chemical element; it has symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air. Its physical and chemical properties are most similar to its heavier homologues strontium and barium. It is the fifth most abundant element in Earth's crust, and the third most abundant metal, after iron and aluminium. The most common calcium compound on Earth is calcium carbonate, found in limestone and the fossilized remnants of early sea life; gypsum, anhydrite, fluorite, and apatite are also sources of calcium. The name derives from Latin calx "lime", which was obtained from heating limestone.
Some calcium compounds were known to the ancients, though their chemistry was unknown until the seventeenth century. Pure calcium was isolated in 1808 via electrolysis of its oxide by Humphry Davy, who named the element. Calcium compounds are widely used in many industries: in foods and pharmaceuticals for calcium supplementation, in the paper industry as bleaches, as components in cement and electrical insulators, and in the manufacture of soaps. On the other hand, the metal in pure form has few applications due to its high reactivity; still, in small quantities it is often used as an alloying component in steelmaking, and sometimes, as a calcium–lead alloy, in making automotive batteries.
Calcium is the most abundant metal and the fifth-most abundant element in the human body. As electrolytes, calcium ions (Ca2+) play a vital role in the physiological and biochemical processes of organisms and cells: in signal transduction pathways where they act as a second messenger; in neurotransmitter release from neurons; in contraction of all muscle cell types; as cofactors in many enzymes; and in fertilization. Calcium ions outside cells are important for maintaining the potential difference across excitable cell membranes, protein synthesis, and bone formation.
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Cambridge, Massachusetts | Q49111 | Cambridge ( KAYM-brij) is a city in Middlesex County, Massachusetts, United States. It is a suburb in the Greater Boston metropolitan area, located directly across the Charles River from Boston. The city's population as of the 2020 U.S. census was 118,403, making it the most populous city in the county, the fourth-largest in Massachusetts behind Boston, Worcester, and Springfield, and ninth-most populous in New England. The city was named in honor of the University of Cambridge in Cambridge, England, which was an important center of the Puritan theology that was embraced by the town's founders.: 18
Harvard University, an Ivy League university founded in Cambridge in 1636, is the oldest institution of higher learning in the United States. The Massachusetts Institute of Technology (MIT), Lesley University, and Hult International Business School also are based in Cambridge. Radcliffe College, a women's liberal arts college, was based in Cambridge from its 1879 founding until its assimilation into Harvard in 1999.
Kendall Square, near MIT in the eastern part of Cambridge, has been called "the most innovative square mile on the planet" due to the high concentration of startup companies that have emerged there since 2010.
Founded in December 1630 during the colonial era, Cambridge was one among the first cities established in the Thirteen Colonies, and it went on to play a historic role during the American Revolution.
In May 1775, approximately 16,000 American patriots assembled in Cambridge Common to begin organizing a military retaliation against British troops following the Battles of Lexington and Concord. On July 2, 1775, two weeks after the Second Continental Congress in Philadelphia formally established the Continental Army and appointed George Washington commander of it, Washington arrived at Cambridge Common to take command of the Patriot soldiers camped there. Many of these soldiers played a role in supporting Washington's successful siege of Boston, which trapped garrisoned British troops from moving by land, forcing the British to ultimately abandon Boston. Cambridge Common is thus celebrated as the birthplace of the Continental Army. |
Community college | Q1336920 | A community college is a type of undergraduate higher education institution, generally leading to an associate degree, certificate, or diploma. The term can have different meanings in different countries: many community colleges have an open enrollment policy for students who have graduated from high school, also known as senior secondary school or upper secondary school. The term usually refers to a higher educational institution that provides workforce education and college transfer academic programs. Some institutions maintain athletic teams and dormitories similar to their university counterparts.
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Comic strip | Q838795 | A comic strip is a sequence of cartoons, arranged in interrelated panels to display brief humor or form a narrative, often serialized, with text in balloons and captions. Traditionally, throughout the 20th and into the 21st century, these have been published in newspapers and magazines, with daily horizontal strips printed in black-and-white in newspapers, while Sunday papers offered longer sequences in special color comics sections. With the advent of the internet, online comic strips began to appear as webcomics.
Most strips are written and drawn by a comics artist, known as a cartoonist. As the word "comic" implies, strips are frequently humorous. Examples of these gag-a-day strips are Blondie, Bringing Up Father, Marmaduke, and Pearls Before Swine. In the late 1920s, comic strips expanded from their mirthful origins to feature adventure stories, as seen in Popeye, Captain Easy, Buck Rogers, Tarzan, and Terry and the Pirates. In the 1940s, soap-opera-continuity strips such as Judge Parker and Mary Worth gained popularity. Because "comic" strips are not always funny, cartoonist Will Eisner has suggested that sequential art would be a better genre-neutral name.
Comic strips have appeared inside American magazines such as Liberty and Boys' Life, but also on the front covers, such as the Flossy Frills series on The American Weekly Sunday newspaper supplement. In the UK and the rest of Europe, comic strips are also serialized in comic book magazines, with a strip's story sometimes continuing over three pages. |
Canary Islands | Q5813 | The Canary Islands (, Spanish: Canarias, Spanish: [kaˈnaɾjas]), also known informally as The Canaries, are an archipelago in the Atlantic Ocean and the southernmost Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the continent being 100 kilometres (62 miles) away. The islands have a population of 2.25 million people and are the most populous overseas special territory of the European Union.
The seven main islands are from largest to smallest in area, Tenerife, Fuerteventura, Gran Canaria, Lanzarote, La Palma, La Gomera, and El Hierro. The only other populated island is La Graciosa, which administratively is dependent on Lanzarote. The archipelago includes many smaller islands and islets, including Alegranza, Isla de Lobos, Montaña Clara, Roque del Oeste, and Roque del Este. It includes a number of rocks, including Garachico and Anaga. The island chain used to be referred to as "the Fortunate Isles". The Canary Islands are the southernmost region of Spain, and the largest and most populous archipelago of Macaronesia. It is also the largest and most populated archipelago in Spain. Because of their location, the Canary Islands have historically been considered a link between Africa, Europe, and the Americas.
In 2024, the Canary Islands had a population of 2,247,927, with a density of 302 inhabitants per km2, making it the seventh most populous autonomous community of Spain. The population is mostly concentrated in the two capital islands: around 43% on the island of Tenerife and 40% on the island of Gran Canaria.
The Canary Islands, especially Tenerife, Gran Canaria, Fuerteventura, and Lanzarote, are a major tourist destination, with over 14.1 million visitors in 2023. This is due to their beaches, subtropical climate, and important natural attractions, especially Maspalomas in Gran Canaria and Mount Teide, a World Heritage Site in Tenerife. Mount Teide is the highest peak in Spain and the 3rd tallest volcano in the world, measured from its base on the ocean floor. The islands have warm summers and winters warm enough for the climate to be technically tropical at sea level. The amount of precipitation and the level of maritime moderation vary depending on location and elevation. The archipelago includes green areas as well as semi-desert. The islands' high mountains are ideal for astronomical observation, because they lie above the temperature inversion layer. As a result, the archipelago has two professional astronomical observatories: the Teide Observatory on Tenerife, and Roque de los Muchachos Observatory on La Palma.
In 1927, the Province of Canary Islands was split into two provinces, Santa Cruz de Tenerife and Las Palmas. In 1982, the autonomous community of the Canary Islands was established. The cities of Santa Cruz de Tenerife and Las Palmas de Gran Canaria are, jointly, the capitals of the islands. Those cities are also, respectively, the capitals of the provinces of Santa Cruz de Tenerife and Las Palmas. Las Palmas de Gran Canaria has been the largest city in the Canaries since 1768, except for a brief period in the 1910s. Between the 1833 territorial division of Spain and 1927, Santa Cruz de Tenerife was the sole capital of the Canary Islands. In 1927, it was ordered by decree that the capital of the Canary Islands would be shared between two cities, and this arrangement persists to the present day. The third largest city in the Canary Islands is San Cristóbal de La Laguna, another World Heritage Site on Tenerife.
During the Age of Sail, the islands were the main stopover for Spanish galleons during the Spanish colonisation of the Americas, which sailed that far south in order to catch the prevailing northeasterly trade winds. |
Cthulhu Mythos | Q621596 | The Cthulhu Mythos is a mythopoeia and a shared fictional universe, originating in the works of American horror writer H. P. Lovecraft. The term was coined by August Derleth, a contemporary correspondent and protégé of Lovecraft, to identify the settings, tropes, and lore that were employed by Lovecraft and his literary successors. The name "Cthulhu" derives from the central creature in Lovecraft's seminal short story "The Call of Cthulhu", first published in the pulp magazine Weird Tales in 1928.
Richard L. Tierney, a writer who also wrote Mythos tales, later applied the term "Derleth Mythos" to distinguish Lovecraft's works from Derleth's later stories, which modify key tenets of the Mythos. Authors of Lovecraftian horror in particular frequently use elements of the Cthulhu Mythos.: viii–ix
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Conscription | Q580750 | Conscription, also known as the draft in American English, is the practice in which the compulsory enlistment in a national service, mainly a military service, is enforced by law. Conscription dates back to antiquity and it continues in some countries to the present day under various names. The modern system of near-universal national conscription for young men dates to the French Revolution in the 1790s, where it became the basis of a very large and powerful military. Most European nations later copied the system in peacetime, so that men at a certain age would serve 1 to 8 years on active duty and then transfer to the reserve force.
Conscription is controversial for a range of reasons, including conscientious objection to military engagements on religious or philosophical grounds; political objection, for example to service for a disliked government or unpopular war; sexism, in that historically men have been subject to the draft in the most cases; and ideological objection, for example, to a perceived violation of individual rights. Those conscripted may evade service, sometimes by leaving the country, and seeking asylum in another country. Some selection systems accommodate these attitudes by providing alternative service outside combat-operations roles or even outside the military, such as siviilipalvelus (alternative civil service) in Finland and Zivildienst (compulsory community service) in Austria and Switzerland. Several countries conscript male soldiers not only for armed forces, but also for paramilitary agencies, which are dedicated to police-like domestic-only service like internal troops, border guards or non-combat rescue duties like civil defence.
As of 2025, many states no longer conscript their citizens, relying instead upon professional militaries with volunteers. The ability to rely on such an arrangement, however, presupposes some degree of predictability with regard to both war-fighting requirements and the scope of hostilities. Many states that have abolished conscription still, therefore, reserve the power to resume conscription during wartime or times of crisis. States involved in wars or interstate rivalries are most likely to implement conscription, and democracies are less likely than autocracies to implement conscription. With a few exceptions, such as Singapore and Egypt, former British colonies are less likely to have conscription, as they are influenced by British anti-conscription norms that can be traced back to the English Civil War; the United Kingdom abolished conscription in 1960. Conscription in the United States has not been enforced since 1973. Conscription was ended in most European countries, with the system still being in force in Scandinavian countries, Finland, Switzerland, Austria, Greece, Cyprus, Turkey and several countries of the former Eastern Bloc. |
Compiler | Q47506 | In computing, a compiler is a computer program that translates computer code written in one programming language (the source language) into another language (the target language). The name "compiler" is primarily used for programs that translate source code from a high-level programming language to a low-level programming language (e.g. assembly language, object code, or machine code) to create an executable program.: p1
There are many different types of compilers which produce output in different useful forms. A cross-compiler produces code for a different CPU or operating system than the one on which the cross-compiler itself runs. A bootstrap compiler is often a temporary compiler, used for compiling a more permanent or better optimised compiler for a language.
Related software include decompilers, programs that translate from low-level languages to higher level ones; programs that translate between high-level languages, usually called source-to-source compilers or transpilers; language rewriters, usually programs that translate the form of expressions without a change of language; and compiler-compilers, compilers that produce compilers (or parts of them), often in a generic and reusable way so as to be able to produce many differing compilers.
A compiler is likely to perform some or all of the following operations, often called phases: preprocessing, lexical analysis, parsing, semantic analysis (syntax-directed translation), conversion of input programs to an intermediate representation, code optimization and machine specific code generation. Compilers generally implement these phases as modular components, promoting efficient design and correctness of transformations of source input to target output. Program faults caused by incorrect compiler behavior can be very difficult to track down and work around; therefore, compiler implementers invest significant effort to ensure compiler correctness. |
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