373
After rebuilding The San Francisco – Oakland Bay Bridge was opened in 1936 and the Golden Gate Bridge in 1937. The 1939 Golden Gate International Exposition was held on Treasure Island. During World War II, San Francisco was the major mainland supply point and port of embarkation for the war in the Pacific. The War Memorial Opera House which opened in 1932, was the site of some significant post World War II history. In 1945, the conference that formed the United Nations was held there, with the UN Charter being signed nearby in the Herbst Theatre on June 26. Additionally the Treaty of San Francisco which formally ended war with Japan and established peaceful relations, was drafted and signed here six years later in 1951.
Period after World War II After World War II, many American military personnel who fell in love with the city during leaving to or returning from the Pacific, settled in the city prompting the creation of the Sunset District and Visitacion Valley. During this period, Caltrans commenced an aggressive freeway construction program in the Bay Area. However, Caltrans soon encountered strong resistance in San Francisco, for the city’s high population density meant that virtually any right-of-way would displace a large number of people. Caltrans tried to minimize displacement (and its land acquisition costs) by building double-decker freeways, but the crude state of civil engineering at that time resulted in construction of some embarrassingly ugly freeways which ultimately turned out to be seismically unsafe. In 1959, the Board of Supervisors voted to halt construction of any more freeways in the city, an event known as the Freeway Revolt. Although some minor modifications have been allowed to the ends of exist-