San Francisco drew many people, especially African Americans from the South, to the area. After the end of the war, many military personnel returning from service abroad and civilians who had originally come to work decided to stay. The United Nations Charter creating the United Nations was drafted and signed in San Francisco in 1945 and, in 1951, the Treaty of San Francisco officially ended the war with Japan. Urban planning projects in the 1950s and 1960s involved widespread destruction and redevelopment of west-side neighborhoods and the construction of new freeways, of which only a series of short segments were built before
San Francisco in the 1970s civil rights movement is a nationally recognized institution in the Bay Area. The Yerba Buena Center for the Arts (YBCA) celebrates Latino culture with a "Carnaval," every year, which is said to be the largest multi-cultural event in San Francisco. A gay San Francisco postal worker who was to be dismissed from service by the Civil Service Commission on the grounds of "moral incompetency" fought for his rights in the court, in November 1970, and was reinstated in the job. This marked the beginning of gay reforms. Many important skyscrapers in San Francisco were built in the 1970s. The Hilton