1984
- The 1984 Democratic National Convention (Vice Presidential nominee Geraldine Ferraro pictured) is held at Moscone Center in San Francisco
- An earthquake with an epicenter near Mount Hamilton, close to Morgan Hill in the South Bay, inflicts over US$7 million in damage
- The Alexander Valley AVA is established
- California State Prison, Solano in Vacaville is completed
- The Cartoon Art Museum in San Francisco is established by publisher Malcolm Whyte
- New United Motor Manufacturing, Inc. (pictured) opens at the site of the former General Motors Fremont Assembly
- Apple Computer introduces the Macintosh personal computer (pictured)