Black September was formed in 1970 , after the Black September conflict between Palestinians and Jordanians erupted in Jordan that same year . In September 1972 it caught world attention with the massacre of 11 Israeli athletes and coaches at the 1972 Summer Olympics in Munich . Israel soon responded with the Wrath of God campaign . In early March 1973 , the group attacked the Saudi embassy in Khartoum , killing the U.S. Ambassador and Deputy Chief of Mission as well as the Belgian Chargé d'affaires
massacre
Munich massacre
1973 New York City bomb plot