San Francisco Bay Area a primary embarkation point for American forces. In 1945, the United Nations Charter was signed in San Francisco, establishing the United Nations, and in 1951, the Treaty of San Francisco officially ended the U.S.'s war with Japan. Since then, the Bay Area has experienced numerous political, cultural and artistic movements, developing unique local genres in music and art and establishing itself as a hotbed of progressive politics. Economically, the post-war Bay Area saw huge growth in the financial and technology industries, creating a vibrant and diverse economy with a gross domestic product of over $800 billion, and home to the
San Francisco in the 1970s the 21st century with the creation of the Exotic Erotic Ball in 1979. The San Francisco Bay Area continued to be a leading academic centre in the 1970s, centred around the major universities of Stanford University and Berkeley. In May 1972, for instance, the first demonstration of acupuncture in San Francisco was held at Stanford which attracted some 1,400 physicians. The 1970s also brought other major changes to the city such as the construction of its first subway system, BART, which connected San Francisco with other cities in the Bay Area. At stations in downtown San Francisco, BART connects with