Palestinian political violence between two loosely defined factions: the side wishing to preserve the status quo, consisting primarily of Maronite militias, and the side seeking change, which included a variety of militias from leftist organizations and guerrillas from rejectionist Palestinian (nonmainstream PLO) organizations. The Lebanese civil war lasted until 1990 and resulted in an estimated 130,000 to 250,000 civilian fatalities and one million wounded. After Black September, the PLO and its offshoots waged an international campaign against Israelis. Notable events were the Munich Olympics massacre (1972), the hijacking of several civilian airliners (some were thwarted, see for example: Entebbe Operation), the Savoy Hotel
Munich U-Bahn S1 to Freising/Airport. From here the line runs east to "Moosacher St.-Martins-Platz" and "Olympia-Einkaufszentrum", where a change to the U1 is possible. After passing through "Oberwiesenfeld station", the U1 reaches its original northern terminus at "Olympiazentrum". From 1972 until 2010, this station was the end of the original Olympic line. When Munich was awarded the Olympic Summer Games 1972 in 1965, the U-Bahn network concept (which was adopted only one year earlier) had to be revised to speed up the construction of a connection to the Olympic venues at Olympic grounds. The Olympic connector (now U3) was redesigned as a