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coal

(Encyclopedia)coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter. Coal is found in beds or seams interstratified with shales, clays, sands...

Polk, Leonidas Lafayette

(Encyclopedia)Polk, Leonidas Lafayette, 1837–92, American agrarian leader, b. Anson co., N.C. After studying agriculture at Davidson College, he managed a plantation in North Carolina, served with the Confederate...

Korea

(Encyclopedia)CE5 Korea kôrēˈə, kə– [key], Korean Hanguk or Choson, region and historic country (85,049 sq mi/220,277 sq km), E Asia. A peninsula, 600 mi (966 km) long, Korea separates the Sea of Japan (c...

Mantegna, Andrea

(Encyclopedia)Mantegna, Andrea ändrĕˈä mäntĕˈnyä [key], 1431–1506, Italian painter of the Paduan school. He was adopted by Squarcione, whose apprentice he remained until 1456, when he procured his release...

Henry the Navigator

(Encyclopedia)Henry the Navigator, 1394–1460, prince of Portugal, patron of exploration. Because he fought with extraordinary valor in the Portuguese conquest of Ceuta (1415), he was created duke of Viseu by his ...

Central American Federation

(Encyclopedia)Central American Federation or Central American Union, political confederation (1825–38) of the republics of Central America—Costa Rica, Guatemala, Honduras, Nicaragua, and Salvador. United under ...

Johnston, Samuel

(Encyclopedia)Johnston, Samuel, 1733–1816, political leader in the American Revolution, b. Dundee, Scotland. He emigrated as a child to North Carolina, where his uncle, Gabriel Johnston, was royal governor. After...

Michaux, André

(Encyclopedia)Michaux, André äNdrāˈ mēshōˈ [key], 1746–1802, French botanist. He collected botanical specimens in Europe and Asia. In 1785 he was sent by the French government to establish nurseries in the...

IJmuiden

(Encyclopedia)IJmuiden īmoiˈdən [key], city (1991 est. pop. 58,000), North Holland prov., W Netherlands, on the North Sea. It is part of the municipality of Velsen. The city is a seaport, fishing, and industrial...

Korean War

(Encyclopedia)Korean War, conflict between Communist and non-Communist forces in Korea from June 25, 1950, to July 27, 1953. At the end of World War II, Korea was divided at the 38th parallel into Soviet (North Kor...