1970    King Hussein of Jordan declares military rule following the hijacking of four civilian airliners by the Popular Front for the Liberation of Palestine (PFLP). This results in the formation of the Black September Palestinian paramilitary unit.

1972    Munich Massacre: A Palestinian terrorist group called "Black September" attack and take hostage 11 Israel athletes at the Munich Olympic Games. 2 die in the attack and 9 die the following day.

1972    Munich Massacre: 9 Israel athletes taken hostage at the Munich Olympic Games by the Palestinian "Black September" terrorist group died (as did a German policeman) at the hands of the kidnappers during a failed rescue attempt. 2 other Israeli athletes are slain in the initial attack the previous day.

1973    Black September storms the Saudi embassy in Khartoum, Sudan, resulting in the assassination of three Western hostages.