History of San Francisco would be used for loading the key fissile components of the first atomic bomb onto the USS Indianapolis in July 1945 for transfer to Tinian. 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. After World War
San Francisco International Airport shift all of their service from the airport to Oakland and San Jose. However, Southwest eventually returned to SFO in 2007. A long-planned extension of the Bay Area Rapid Transit (BART) system to the airport opened on June 22, 2003, allowing passengers to board BART trains at the international or domestic terminals and have direct rail transportation to downtown San Francisco, Oakland, and the East Bay. On February 24, 2003, the AirTrain people mover opened, transporting passengers between terminals, parking lots, the BART station, and the rental car center on small automatic trains. SFO became the base of operations for