1. In 1850, California's first constitution was adopted on August 30th, marking an important milestone in the state's history as it transitioned from territory to statehood.

2. On August 30, 1965, California's Governor Pat Brown signed the Watts Towers State Historic Park Act into law, preserving the iconic towers that had been built by Italian immigrant Simon Rodia over the course of 34 years.

3. In 1932, the first ever U.S. Women's Open Golf Championship was held in San Francisco, with the final round taking place on August 30th. The tournament was won by Helen Hicks.

4. The University of California, Berkeley was founded on March 23, 1868, but classes did not begin until August 30th of that year. The first class had only 10 students, but the university has since grown to become one of the most highly regarded public universities in the world.

5. August 30, 1983 was a significant day in California's aerospace history, as Richard H. Truly became the first astronaut to fly the Space Shuttle Challenger. The shuttle was built by California-based company Rockwell International, and the successful mission paved the way for future space exploration.