Here are 5 interesting facts about December 3 in California history:

1. In 1927, Ford Motor Company introduced an assembly line powered by electricity in Richmond, California. This innovative production method increased efficiency, reduced costs, and paved the way for modern manufacturing standards.

2. On December 3, 1967, the famous Golden Gate Bridge in San Francisco was closed to traffic for the first time since its construction in 1937. Approximately 200,000 people walked across the bridge as a celebration of its 30th anniversary.

3. In 1984, the first successful heart transplant in California took place at the Stanford University Medical Center in Palo Alto. The procedure was performed by Dr. Bruce Reitz, who received national recognition for his groundbreaking work in cardiac surgery.

4. On December 3, 1994, a magnitude 6.7 earthquake shook the San Fernando Valley, causing widespread damage and leaving 57 people dead. The disaster prompted officials to implement stricter building codes and disaster preparedness plans throughout the state.

5. In 2018, California became the first state in the US to mandate the provision of vegan meals to hospital patients. The law, which went into effect on December 3, requires hospitals to offer plant-based options to improve patient health, reduce environmental impact, and promote animal welfare.