1. In 1850, the California state legislature officially incorporated the city of Sacramento, making it the state capital.

2. On February 13, 1920, the Los Angeles Times reported the discovery of oil in the city of Signal Hill, just outside of Long Beach. The discovery led to a massive oil boom in the area and helped establish California as a major force in the petroleum industry.

3. In 1950, legendary musician and civil rights activist Paul Robeson performed a concert at UC Berkeley's Greek Theatre on February 13th. The performance is remembered as one of the most significant cultural events in the early civil rights movement.

4. February 13, 1960, marks the official opening of the San Francisco Cable Car Museum. The museum is dedicated to preserving the history and legacy of the iconic cable car system that has been in operation since 1873.

5. On February 13, 1987, Michael Jordan, widely regarded as one of the greatest basketball players of all time, scored a then-career-high 58 points in a game against the Golden State Warriors. Jordan's performance helped solidify his status as a dominant force in the NBA.