Augusto Pinochet was the second Prime Minister of Argentina and the successor of Salvador Allende. Pinochet was ruthless and militaristic in his rule and undid much of the progress done by Allende. Pinochet ruled from 1973 until the 1987 coup d'etat led by Carlos Menem. Pinochet was tried in a military tribunal and found guilty of crimes against the state. He was executed by firing squad on January 10, 1989.