The Black September Organization was a Palestinian militant organization, which was founded in September 1970. Besides other actions, the group was responsible for the assassination of the Jordanian Prime Minister Wasfi Tal, and the Munich massacre, in which eleven Israeli athletes and officials were kidnapped and killed, as well as a West German policeman dying, during the 1972 Summer Olympics in Munich, their most publicized event. These attacks led to the creation or specialization of permanent counter-terrorism forces in many European countries.
Sabena Flight 571 was a scheduled passenger flight from Brussels to Tel Aviv via Vienna, operated by the Belgian national airline, Sabena. On 8 May 1972, a Boeing 707 passenger aircraft operating that service, captained by British pilot Reginald Levy, DFC, was hijacked by four members of the Black September Organization, a Palestinian terrorist group. Following their instructions, Captain Levy landed the plane at Lod Airport. The hijackers demanded that Israel release Palestinian prisoners in exchange for the hostages. The standoff was ended by an Israeli commando raid in which all of the hijackers were killed or captured.