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American Ballet Theatre

(Encyclopedia)American Ballet Theatre (ABT), one of the foremost international dance companies of the 20th and 21st cents. It was founded in 1937 as the Mordkin Ballet and reorganized as the Ballet Theatre in 1940 ...

Dunkirk, town, France

(Encyclopedia)Dunkirk dŭnˈkûrk [key], Fr. Dunkerque, town, Nord dept., N France, on the North Sea. It is...

Sidney, Algernon

(Encyclopedia)Sidney or Sydney, Algernon, 1622–83, English politician; son of Robert Sidney, earl of Leicester. He served in the parliamentary forces during the English civil war and was a member (1652–53) of t...

ionosphere

(Encyclopedia)ionosphere īŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400 to 600 km) where it m...

Hampden, John

(Encyclopedia)Hampden, John hămpˈdən, hămˈ– [key], 1594–1643, English parliamentary leader; cousin of Oliver Cromwell. He entered Parliament in 1621, became closely associated with Sir John Eliot, and was ...

Marcus Aurelius

(Encyclopedia)Marcus Aurelius (Marcus Aelius Aurelius Antoninus) märˈkəs ôrēˈlēəs [key], 121–180, Roman emperor, named originally Marcus Annius Verus. He was a nephew of Faustina, the wife of Antoninus Pi...

Lilburne, John

(Encyclopedia)Lilburne, John, 1614?–1657, English political leader and pamphleteer of the Levelers. He was tried before the court of the Star Chamber as early as 1638 for printing and distributing antiepiscopal w...

campaign, political

(Encyclopedia)campaign, political, organized effort to secure nomination and election of candidates for government offices. In the United States, the most important political campaigns are those for the nomination ...

Constitution, ship

(Encyclopedia)Constitution, U.S. 44-gun frigate, nicknamed Old Ironsides. It is perhaps the most famous vessel in the history of the U.S. navy. Authorized by Congress in 1794, the ship was launched in 1797 and was ...

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