Williams syndrome: A genetic disorder characterized by mild mental retardation, unique personality characteristics, unusual facial features, and cardiovascular disease. The level of calcium tends to be high in blood (hypercalcemia) and urine (hypercalciuria).
Long March: Long March, (1934â35), the 6,000-mile (10,000-km) historic trek of the Chinese communists, which resulted in the relocation of the communist revolutionary base from southeastern to northwestern China and in the emergence of Mao Zedong as the undisputed party leader. Fighting Nationalist forces
Alabama Police confront the Selma Marchers. Federal Bureau of Investigation Photograph. The Selma-to-Montgomery March for voting rights ended three weeks--and three events--that represented the political and emotional peak of the modern civil rights movement. On Bloody Sunday, March 7, 1965, some 600 civil rights marchers headed east out of Selma on U.S. Route 80. They got only as far as the Edmund Pettus Bridge six blocks away, where state and local lawmen attacked them with billy clubs and tear gas and drove them back into Selma.