a city in Texas in the US. It is a centre for business and industry and is especially famous for its rich oil businesses. It is also remembered as the place where John F. Kennedy was shot in 1963. City (pop., 2000: 1,188,580), northern Texas, U.S. Located on the Trinity River, it was first settled in 1841 and was probably named for George Dallas. While cotton fed the town's growth, the discovery in 1930 of the great East Texas oil field made the city a major centre of the petroleum industry. It saw spectacular growth after World War II, when several large aircraft-manufacturing firms located in the area. These were followed by electronics and automobile-assembly plants. It is the headquarters of more than 100 insurance companies and the Southwest's leading financial centre, as well as a transportation hub. Its many educational institutions include Southern Methodist University (founded 1911). It is known for its cultural activities; the Dallas Theater Center is the only theatre designed by Frank Lloyd Wright
born July 10, 1792, Philadelphia, Pa. died Dec. 31, 1864, Philadelphia U.S. politician. He was the son of Alexander J. Dallas, who served as secretary of the treasury (1814-16). He completed an unexpired term as U.S. senator (1831-33) and later served as minister to Russia (1835-39). He was elected vice president under James K. Polk (1845-49). As minister to Britain (1856-61), he obtained a renunciation of Britain's claimed right to search vessels on the high seas. Dallas, Texas, was named for him