Munich 1945, Munich was completely rebuilt following a meticulous plan, which preserved its pre-war street grid. In 1957, Munich's population surpassed 1 million. The city continued to play a highly significant role in the German economy, politics and culture, giving rise to its nickname "Heimliche Hauptstadt" ("secret capital") in the decades after World War II. Munich was the site of the 1972 Summer Olympics, during which Israeli athletes were assassinated by Palestinian fedayeen in the Munich massacre, when gunmen from the Palestinian "Black September" group took hostage members of the Israeli Olympic team. Most Munich residents enjoy a high quality of
1972 Summer Olympics for road, rail, or airport infrastructure, or for hotel upgrades or other business investment incurred in preparation for the Games but not directly related to staging the Games. The cost for Munich 1972 compares with costs of USD 4.6 billion for Rio 2016, USD 15 billion for London 2012 (the most costly Summer Olympics to date) and USD 51 billion for Sochi 2014 — the most expensive Olympic Games in history. Average cost for Summer Games since 1960 is USD 5.2 billion. The 1972 Summer Olympic programme featured 195 events in the following 21 sports: Eleven nations made their first