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Plata, Río de la

(Encyclopedia)Plata, Río de la rēˈō ᵺā lä pläˈtä [key], estuary, c.170 mi (270 km) long, SE South America, formed by the Paraná and Uruguay rivers. Between Argentina and Uruguay, the estuary is c.120 mi...

Rykov, Aleksey Ivanovich

(Encyclopedia)Rykov, Aleksey Ivanovich əlyĭksyāˈ ēväˈnəvĭch rēˈkôf [key], 1881–1938, Russian revolutionary and Communist leader. A Bolshevik, he became commissar for the interior after the October Rev...

São Francisco

(Encyclopedia)São Francisco souN frəsēshˈko͝o [key], river, c.1,800 mi (2,900 km) long, rising in the Serra de Canastra, SW Minas Gerais state, Brazil, and flowing northeast, then southeast through the sertão...

Sargsyan, Serzh

(Encyclopedia)Sargsyan or Sarkisyan, Serzh, 1954–, Armenian political leader, president (2008–18) and prime minister (2007–8, 2018) of Armenia, b. Nagorno-Karabakh. He served in the Soviet armed forces (1972�...

Sánchez Hernández, Fidel

(Encyclopedia)Sánchez Hernández, Fidel ārnänˈdās [key], 1917–2003, president of El Salvador (1967–72). An army general, he served as minister of interior under President Julio Rivera. As president, he na...

Rajoy Brey, Mariano

(Encyclopedia)Rajoy Brey, Mariano märēäˈnō rähoiˈ brā [key], 1955–, Spanish political leader, b. Santiago de Compostela. The son of a prominent Galician lawyer, he received (1978) a law degree from the Un...

Perpendicular style

(Encyclopedia)Perpendicular style, term given the final period of English Gothic architecture (late 14th–middle 16th cent.) because of the predominating vertical lines of its tracery and paneling. It is also call...

Angkor

(Encyclopedia)Angkor ăngˈkôr [key], site of several capitals of the Khmer Empire, north of Tônlé Sap, NW Cambodia, for about five and a half centuries (9th to 15th), the heart of the empire. Extending over an ...

French architecture

(Encyclopedia)French architecture, structures created in the area of Europe that is now France. Engineers and architects, including François Hennebique, Auguste Perret, and Tony Garnier, pioneered the use of rei...

War Department, United States

(Encyclopedia)War Department, United States, federal executive department organized (1789) to administer the military establishment. It was reconstituted (1947) as the Dept. of the Army when the military administra...