1. In 1850, California was admitted as the 31st state of the United States. August 22nd marks California's official admission into the union, making it a significant date in the state's history.

2. The California Water Wars were fueled by the construction of the Los Angeles Aqueduct in 1913, which carried water from the Owens Valley to Los Angeles. On August 22, 1924, the aqueduct was completed, marking the end of the water wars and the beginning of a new era of water supply in California.

3. The 1933 Long Beach earthquake, which had a magnitude of 6.4, struck on August 22nd and caused extensive damage in the city. The earthquake resulted in the deaths of approximately 120 people and caused millions of dollars in damage.

4. On August 22, 1964, the Beatles played their first concert in the United States at the Cow Palace in Daly City, California. The event was a major cultural moment and marked the beginning of the British Invasion.

5. In 1978, George Moscone, the mayor of San Francisco, signed the city's landmark domestic partnership ordinance on August 22nd. The ordinance allowed for the creation of domestic partnerships between same-sex couples, making San Francisco one of the first cities in the nation to recognize same-sex relationships.