United Nations 1945, 50 governments met in San Francisco for a conference and started drafting the UN Charter, which was adopted on 25 June 1945 in the San Francisco Opera House, and signed on 26 June 1945 in the Herbst Theatre auditorium in the Veterans War Memorial Building. This charter took effect on 24 October 1945, when the UN began operation. The UN's mission to preserve world peace was complicated in its early decades during the Cold War between the United States and Soviet Union and their respective allies. Its missions have consisted primarily of unarmed military observers and lightly armed troops
San Francisco Public Library W. Kelham, opened in the Civic Center. Ten major murals by California Tonalist Gottardo Piazzoni were installed in 1931–1932; four more were completed in 1945, but left uninstalled until the 1970s. In 2018 "Library Journal" awarded it the Library of the Year award. In addition to the Main Library, the San Francisco Public Library has 27 branch libraries. In 1930, San Francisco voters approved a charter amendment to increase taxes to fund the construction of the Anza Branch Library. Using the site of the old Lafayette School, architect John W. Reid, Jr. designed and landscaped the new branch building. The