Black September

Black September, name applied to various armed groups within the Palestine Liberation Organization. Named for the civil war in Jordan in Sept. 1970 that led to the expulsion of all Palestinian guerrilla groups from the country by King Hussein, groups called Black September claimed responsibility for or were implicated in many violent acts in the 1970s, including the killing of 11 Israeli athletes at the 1972 Olympic Games in Munich.

See also: Arafat, Yasir; Palestine Liberation Organization.