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Oligocene epoch
(Encyclopedia)Oligocene epoch ŏlˈəgōsēnˌ [key], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America was dry land during the ...jet propulsion
(Encyclopedia) CE5 Types of jet engines: In the propeller-driven turbine a stream of high-velocity gases provides the power to drive the turbine and turn the propeller. In the jet-driven turbine the stream of gas...navy
(Encyclopedia)navy, originally, all ships of a nation, whether for war or commerce; the term navy now designates only such vessels as are built and maintained specifically for war. There have been three major devel...cubism
(Encyclopedia)cubism, art movement, primarily in painting, originating in Paris c.1907. In painting the several sources of cubist inspiration included the later work of Cézanne; the geometric forms and compresse...Franco, Francisco
(Encyclopedia)Franco, Francisco fränthēsˈkō frängˈkō [key], 1892–1975, Spanish general and caudillo [leader]. He became a general at the age of 32 after commanding the Spanish Foreign Legion in Morocco. Du...APRA
(Encyclopedia)APRA äˈprä [key] or the Alianza Popular Revolucionaria Americana, reformist political party in Peru, also called the Partido Aprista. Founded (1924) by Victor Raúl Haya de la Torre while in exile,...Magellan, Ferdinand
(Encyclopedia)Magellan, Ferdinand məjelˈən [key], Port. Fernão de Magalhães, Span. Fernando de Magallanes, c.1480–1521, Portuguese navigator who sailed for Portugal and Spain. Born of a noble family, he was ...fingerprint
(Encyclopedia)fingerprint, an impression of the underside of the end of a finger or thumb, used for identification because the arrangement of ridges in any fingerprint is thought to be unique and permanent with eac...Boone, Daniel
(Encyclopedia)Boone, Daniel, 1734–1820, American frontiersman, b. Oley (now Exeter) township, near Reading, Pa. The Boones, English Quakers, left Pennsylvania in 1750 and settled (1751 or 1752) in the Yadkin vall...Pizarro, Francisco
(Encyclopedia)Pizarro, Francisco pĭzäˈrō, Span. fränthēsˈkō pēthärˈrō [key], c.1476–1541, Spanish conquistador, conqueror of Peru. Born in Trujillo, he was an illegitimate son of a Spanish gentleman a...Browse by Subject
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