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 world. San Francisco also saw a series of racially motivated murders during this time with the Zebra Killings. In 1974, the education system came under scrutiny with public outcries for improvements. City newspapers ran headlines such as "Angry San Francisco Parents Ask State for Help", "Angy Board Members Talk: Why Schools Don't Improve", "School Costs Rose as Enrollment Fell", "San Francisco Staff Still Outnumbers Teachers", and "Board of Education Exempts Many Bilingual Students from School Bus Program". Subsequently, a commission was appointed to study the city's educational problems, which was considered akin to declaring the San Francisco Unified School District