Afghanistan--Politics and government--1973-1989

found: Encyc. Americana:v. 1 p. 255 (On July 17, 1973, the king's cousin and former premier, Mohammed Daud, overthrew the monarchy with the help of the Soviet-trained Afghan Army and was named president and premier of the new republic...in Sept. 1979, Taraki was executed and replaced by Hafizullah Amin. When Amin could not end the rebellion, the Soviet Union invaded Afghanistan in late December. Amin was executed, and the Soviets installed Babrak Karmal as president on Dec. 27, 1979... A UN brokered agreement for Soviet withdrawl was reached in April 1988; the withdrawal was completed in Feb. 1989.)