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New-York Historical Society

(Encyclopedia)New-York Historical Society, New York City. Founded in 1804, the society is a repository of art, artifacts, and literature relating to American, especially New York, history. Among its celebrated perm...

Students for a Democratic Society

(Encyclopedia)Students for a Democratic Society (SDS), in U.S. history, a radical student organization of the 1960s. In the influential Port Huron (Mich.) Statement (1962), the organization, founded in 1960, presen...

Louis the Great

(Encyclopedia)Louis the Great: see Louis I, king of Hungary. ...

Frederick the Great

(Encyclopedia)Frederick the Great: see Frederick II, king of Prussia. ...

Great Appalachian Valley

(Encyclopedia)Great Appalachian Valley: see under Appalachian Mountains. ...

Great Artesian Basin

(Encyclopedia)Great Artesian Basin, c.670,000 sq mi (1,735,300 sq km), between the Eastern Highlands and the Western Plateau, E central Australia, extending S from the Gulf of Carpentaria, Queensland, to NE South A...

Great Australian Bight

(Encyclopedia)Great Australian Bight, wide bay of the Indian Ocean, indenting the southern coast of Australia in Western Australia and South Australia. An unbroken line of cliffs c.200 ft (60 m) high runs along muc...

Great Barrier Reef

(Encyclopedia)Great Barrier Reef, largest complex of coral reef in the world, c.1,250 mi (2,000 km) long, in the Coral Sea, forming a natural breakwater for the coast of Queensland, NE Australia. Composed of more t...

Great Bear Lake

(Encyclopedia)Great Bear Lake, largest lake of Canada and fourth largest of North America, c.12,275 sq mi (31,800 sq km), c.190 mi (310 km) long and from 25 to 110 mi (40–177 km) wide, Northwest Territories, on t...

Great Dismal Swamp

(Encyclopedia)Great Dismal Swamp, SE Va. and NE N.C. With dense forests and tangled undergrowth, the wetlands are a favorite site for sportsmen and naturalists. It once may have covered nearly 2,200 sq mi (5,700 sq...