1. On March 9, 1857, San Francisco's first public school, called the Minna Street School, was opened. It accommodated 330 students, and its principal was Moses A. Towle.

2. On March 9, 1911, International Women's Day was observed for the first time in California. The day was established to celebrate the social, economic, cultural, and political achievements of women and to raise awareness about women's rights.

3. On March 9, 1932, the California State Legislature passed the Stenographic Reports Act, requiring that all state government proceedings and debates be recorded and transcribed. The act aimed to increase transparency and accountability in government.

4. On March 9, 1961, the San Francisco Giants played their first game at Candlestick Park. The team had previously played at Seals Stadium but moved to Candlestick Park, which had a capacity of 42,000 seats.

5. On March 9, 1982, the Space Shuttle Columbia landed at Edwards Air Force Base in California, marking the beginning of the shuttle program. Columbia completed 27 missions before being destroyed during re-entry in 2003.