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Great Plains

(Encyclopedia)Great Plains, extensive grassland region on the continental slope of central North America. They extend from the Canadian provinces of Alberta, Saskatchewan, and Manitoba south through W central Unite...

Mexican War

(Encyclopedia)Mexican War, 1846–48, armed conflict between the United States and Mexico. The United States had won an easy victory, partly because Mexico, torn by civil strife, could not present a united fron...

Acadia

(Encyclopedia)Acadia əkāˈdēə [key], Fr. Acadie, region and former French colony, E Canada, encompassing modern Nova Scotia but also New Brunswick, Prince Edward Island, and coastal areas of E Maine. After an a...

Laffite, Jean

(Encyclopedia)Laffite, Jean zhäN läfētˈ [key], c.1780–1826?, leader of a band of privateers and smugglers. The name is often spelled Lafitte. He and his men began operating (1810) off the Baratarian coast S o...

Kelly, Ellsworth

(Encyclopedia)Kelly, Ellsworth, 1923–2015, American painter, b. Newburgh, N.Y. He moved to New York City in 1941, studying at Pratt Institute, and later attended the Boston Museum Arts School. In Paris during the...

Knapp, Seaman Asahel

(Encyclopedia)Knapp, Seaman Asahel sēˈmən āˈsəhĕlˌ năp [key], 1833–1911, agriculturist and teacher, b. Schroon Lake, N.Y., grad. Union College, Schenectady, 1856. He went to Iowa in 1866 and began public...

National Radio Astronomy Observatory

(Encyclopedia)National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated Universities, Inc.,...

Hancock, Winfield Scott

(Encyclopedia)Hancock, Winfield Scott, 1824–86, Union general in the American Civil War, b. Montgomery Square, near Norristown, Pa. He served with distinction in the Mexican War and was chief quartermaster on the...

grapefruit

(Encyclopedia)grapefruit, pomelo pumˈməlō [key], citrus fruit (Citrus paradisi) of the family Rutaceae (orange family). The grapefruit is so named because it grows in grapelike bunches. The large globular fruit...

Gates, Robert Michael

(Encyclopedia)Gates, Robert Michael, 1943–, American government official, U.S. secretary of defense (2006–11), b. Wichita, Kans. A circumspect and pragmatic career intelligence officer, he joined (1966) the Cen...