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Mandan, indigenous people of North America

(Encyclopedia)Mandan mănˈdăn, –dən [key], indigenous people of North America whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languages). The Mandan were a...

Piero della Francesca

(Encyclopedia)Piero della Francesca pyĕˈrō dĕlˈlä fränchāsˈkä [key], c.1420–1492, major Italian Renaissance painter, b. Borgo San Sepolcro (modern Sansepolcro). All his masterpieces were created in town...

Conservative party, Canadian political party

(Encyclopedia)Conservative party, in Canada. 1 Former Canadian political party that merged with the Progressive party to form the Progressive Conservative party. 2 Officially the Conservative party of Canada, polit...

Las Vegas

(Encyclopedia)Las Vegas läs vāˈgəs [key], city (1990 pop. 258,295), seat of Clark co., S Nev.; inc. 1911. It is the largest city in Nevada and the center of one of the fastest-growing urban areas in the United ...

Dos Passos, John Roderigo

(Encyclopedia)Dos Passos, John Roderigo, 1896–1970, American novelist, b. Chicago, grad. Harvard, 1916. He subsequently studied in Spain and served as a World War I ambulance driver in France and Italy. In his fi...

Huxley, Aldous Leonard

(Encyclopedia)Huxley, Aldous Leonard, 1894–1963, English author; grandson of Thomas Henry Huxley, brother of Sir Julian Huxley, and half-brother of Sir Andrew Huxley. Educated at Eton and Oxford, he traveled wide...

Helena

(Encyclopedia)Helena. 1 City (2020 pop. 20,633), Jefferson and Shelby cos., central Ala.; inc. 1877. White settlers began to occupy the area after the War of ...

heart, artificial

(Encyclopedia)heart, artificial, external or surgically implanted mechanical device designed to replace a patient's diseased heart. The first one used on a human being, the Jarvik-7, was implanted (1982) in Barney ...

Bronze Age

(Encyclopedia)Bronze Age, period in the development of technology when metals were first used regularly in the manufacture of tools and weapons. Pure copper and bronze, an alloy of copper and tin, were used indiscr...

Springfield

(Encyclopedia)Springfield. 1 City (1990 pop. 105,227), state capital and seat of Sangamon co., central Ill., on the Sangamon River; settled 1818, inc. as a city 1840. In a rich agricultural region (sorghum, corn, c...
 

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