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Pedro I

(Encyclopedia)Pedro I (Dom Pedro de Alcântara) pāˈdrō [key], 1798–1834, first emperor of Brazil (1822–31); son of John VI of Portugal. Dom Pedro was a child when the Portuguese royal family, fleeing from Na...

Niagara Falls, waterfall, United States and Canada

(Encyclopedia)Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of Niagara Falls, N.Y., a...

Aymara

(Encyclopedia)Aymara īmäräˈ [key], Native South Americans inhabiting the Lake Titicaca basin in Peru and Bolivia. The originators of the great culture represented by the ruins of Tiahuanaco were very likely Aym...

Great Lakes, lakes and region, E Africa

(Encyclopedia)Great Lakes, group of freshwater lakes lying along the Great Rift Valley, E Africa, including Lakes Victoria, Tanganyika, Nyasa, Turkana, Albert, Kivu, and Edward. Lakes Victoria, Albert, and Edward e...

Geneva, canton and city, Switzerland

(Encyclopedia)Geneva jənēˈvə [key], Fr. Genève, canton, 109 sq mi (282 sq km), SW Switzerland, surroun...

tin

(Encyclopedia)tin, metallic chemical element; symbol Sn [Lat. stannum]; at. no. 50; at. wt. 118.710; m.p. 231.9681℃; b.p. 2,270℃; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits allotropy; abov...

Hampton, Wade, American planter and soldier

(Encyclopedia)Hampton, Wade, c.1752–1835, American planter and soldier, b. Halifax co., Va. He served in the American Revolution and took part in South Carolina politics, opposing the ratification of the U.S. Con...

Ancohuma

(Encyclopedia)Ancohuma ängkō-o͞oˈmä [key], mountain, Bolivia: see Illampú. ...

Romário

(Encyclopedia)Romário (Romário de Souza Faria), 1966–, Brazilian soccer player. A striker, he had a long stride and outstanding control and mobility despite his small stature (5 ft 6 in./1.68 m). He played with...

Wagley, Charles Walter

(Encyclopedia)Wagley, Charles Walter wăgˈlē [key], 1913–91, American anthropologist, b. Clarksville, Tex., grad. Columbia (Ph.D., 1941). He began teaching at Columbia in 1940, serving as professor from 1953 to...