1. In 1850, the California State Legislature established the State Geological Survey, which later became the California Geological Survey. This government agency is responsible for mapping and assessing California's geology, mineral resources, and seismic hazards.

2. In 1945, the state's first medical school, the University of California, San Francisco School of Medicine, was established. It has since become a renowned institution for medical research and education.

3. On April 29, 1967, the Los Angeles Dodgers played their first game at Dodger Stadium, which became the team's iconic home field for over five decades. The stadium has hosted numerous historic events, including multiple World Series championships and the 1984 Summer Olympics.

4. In 1992, during the Los Angeles riots following the verdict in the Rodney King case, a predominantly white community in Simi Valley, California, was accused of racial bias for acquitting several police officers of using excessive force against King. The riots resulted in widespread looting, arson, and violence in which 55 people were killed and thousands were injured.

5. On April 29, 2011, Prince William and Kate Middleton, the Duke and Duchess of Cambridge, visited California during their North American tour. They participated in various events, including a charity polo match and a reception at the British consul-general's residence in Los Angeles. The couple's visit attracted widespread media attention and enthusiasm from Californians.