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 in the 1970s the remaining 15 people from the island, forcibly ending a 19-month occupation. In 1970, Alex de Renzy of San Francisco produced a documentary, "Pornography in Denmark: A New Approach", about the red light district of Copenhagen. The film, which grossed $2 million on a $15,000 budget, resulted in a well-documented court case, in which the judge ruled that it was "in keeping with the Supreme Court edict that draws the line between what constitutes free speech and what constitutes obscenity." As a result, some open-minded San Franciscans became filmmakers and porn merchants, with the likes of the Mitchell brothers and