1. The California primary election of June 12, 2018, was significant for its record-breaking voter turnout. Over 7.3 million Californians cast their ballots during the high-stakes contest for governor, US Senate, and other key races. This was the largest recorded voter turnout in a non-presidential primary in the state's history.

2. In 1987, California Governor George Deukmejian declared June 12 as "Philippine Independence Day," to honor the large Filipino American population in the state and commemorate the country's liberation from Spanish colonial rule in 1898.

3. On June 12, 1898, California's first state flag was officially adopted. The flag featured a white background with a grizzly bear and a red star, symbolizing the state's strength and resilience.

4. June 12, 1963, marked a watershed moment in the campaign for LGBTQ rights in California when Rev. Troy Perry founded the Metropolitan Community Church in Los Angeles. The church provided a welcoming and supportive environment for LGBTQ individuals in a time when discrimination and persecution were widespread.

5. In 2017, California Governor Jerry Brown signed a bill designating June 12 as "Loving Day" in the state, in honor of the landmark Supreme Court decision that struck down state bans on interracial marriage. The decision, which paved the way for greater social and legal acceptance of mixed-race relationships, was particularly significant for California, which has one of the nation's most diverse populations.