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Presidents of Mexico since the Constitution of 1917 (table)

(Encyclopedia)Presidents of Mexico since the Constitution of 1917 ...

Russell, John Russell, 1st Earl

(Encyclopedia)Russell, John Russell, 1st Earl, 1792–1878, British statesman; younger son of the 6th duke of Bedford, known most of his life as Lord John Russell. He became a Whig member of Parliament in 1813 and ...

Brazilian literature

(Encyclopedia)Brazilian literature, the writings of both the European explorers of Brazil and its later inhabitants. In 1902 Euclides da Cunha wrote his masterly description of an uprising in the Brazilian northe...

Mitre, Bartolomé

(Encyclopedia)Mitre, Bartolomé bärˌtōlōmāˈ mēˈtrā [key], 1821–1906, Argentine statesman, general, and author, president of the republic (1862–68). An opponent of Juan Manuel de Rosas, he was forced in...

Pedro II

(Encyclopedia)Pedro II (Dom Pedro II de Alcântara), 1825–91, emperor of Brazil (1831–89). At the age of five, he succeeded under a regency when his father, Pedro I, abdicated. He was declared of age in 1840. P...

Wichita, indigenous people of North America

(Encyclopedia)Wichita wĭchˈĭtô [key], Native North Americans whose language belongs to the Caddoan branch of the Hokan-Siouan linguistic stock (see Native American languages). They formerly occupied central Kan...

Urquiza, Justo José de

(Encyclopedia)Urquiza, Justo José de ho͞oˈstō hōsāˈ ᵺā o͞orkēˈsä [key], 1801–70, Argentine general and politician, president of the confederation (1854–60). As the caudillo of Entre Ríos prov., h...

Chattanooga campaign

(Encyclopedia)Chattanooga campaign, Aug.-Nov., 1863, military encounter in the American Civil War. Chattanooga, Tenn., which commanded Confederate communications between the East and the Mississippi River and was a...

helicopter

(Encyclopedia)helicopter, type of aircraft in which lift is obtained by means of one or more power-driven horizontal propellers called rotors. When the rotor of a helicopter turns it produces reaction torque which ...

Colorado River storage project

(Encyclopedia)Colorado River storage project, a multipurpose plan, undertaken by the U.S. Bureau of Reclamation in 1956, to control the flow of the upper Colorado and its tributaries and to aid in the development o...