History of Munich German defenders there offered only light resistance, on 30 April 1945. After American occupation in 1945, Munich was completely rebuilt following a meticulous and - by comparison to other war-ravaged German cities - rather conservative plan which preserved its pre-war street grid. In 1957 Munich's population passed the 1 million mark. In 1958 Munich hosted the Chess Olympiad. Munich was the site of the 1972 Summer Olympics, during which Israeli athletes were assassinated by Palestinian terrorists (see Munich massacre), when terrorist gunmen from the Palestinian "Black September" group took hostage members of the Israeli Olympic team. A rescue attempt by
Munich massacre lowered to honor murdered Israelis; their flags were restored to the tops of their flagpoles almost immediately. Willi Daume, president of the Munich organizing committee, initially sought to cancel the remainder of the Games, but in the afternoon Brundage and others who wished to continue the Games prevailed, stating that they could not let the incident halt the Games. Brundage stated "The Games must go on, and we must ... and we must continue our efforts to keep them clean, pure and honest." The decision was endorsed by the Israeli government and Israeli Olympic team chef de mission Shmuel Lalkin.