1. In 1928, Mickey Mouse made his debut in a cartoon called "Steamboat Willie." The character, created by Walt Disney, became an icon and has been beloved by generations of children and adults alike.

2. In 1963, the first push-button telephones were introduced in California. These phones eliminated the need for a rotary dial and made it easier and faster for people to make calls.

3. In 1978, San Francisco Mayor George Moscone and Supervisor Harvey Milk were assassinated by former Supervisor Dan White. The killings shocked the city and had a profound impact on the gay rights movement.

4. In 1987, a fire broke out in the Portola-Redwood State Park near San Francisco, burning more than 16,000 acres of land. The fire was one of the largest in California history and took over a week to fully contain.

5. In 2020, California Senator Kamala Harris made history when she became the first woman, first Black person, and first South Asian American person to be elected Vice President of the United States. Harris was born in Oakland and began her political career in California before being elected to the Senate in 2016.