A state of emergency was declared in California after a gas leak.
The state of California began issuing marriage licenses to same-sex couples.
The California Supreme Court ruled that the state ban on same-sex marriage was unconstitutional.
Naturalists Chris Atkins and Michael Taylor discovered the world's tallest tree in Redwood National Park, California.
Pirates of the Caribbean: Dead Man's Chest premiered at Disneyland Resort, Anaheim, California.
Arnold Schwarzenegger sworn in as Californian Governor.
The Cedar Fire swept through San Diego County, California, destroying 2,232 homes and killing fifteen people.
Arnold Schwarzenegger became Governor of California.
Tesla Motors was incorporated in Palo Alto, California, US.
The USA's National Oceanic and Atmospheric Administration launched the NOAA-17 satellite.
Jurassic Park III premiered in Los Angeles, California.
The first Legoland outside of Europe opened in Carlsbad, California.
Larry Page and Sergey Brin registered the domain name google.com.
Netflix was founded by Reed Hastings and Marc Randolph in California.
Philadelphia premiered in Century City, California. It was one of the first mainstream films about AIDS, directed by Jonathan Demme.
The third-strongest recorded earthquake in US history happened in Southern California.
A 5.6 magnitude earthquake dubbed the 'Sierra Madre Earthquake' occurred in South California and caused around $40 million in damages.
Loma Prieta earthquake rocks California.
The Stealth Bomber makes its debut.
The first Soul Train Music Awards took place in Santa Monica, California, US.
The Rutan Voyager became the first plane to fly around the world without stopping for fuel.
The Hands Across America charity event was held.
Clint Eastwood was elected as Mayor of Carmel, California.
NASA's Discovery Space Shuttle landed in California after completing its maiden voyage.
Five bank robbers armed themselves and attempted a heist in Norco, California.
The USS Nautilus, the world's first nuclear-powered submarine, was decommissioned in California.
The world record for the longest table tennis doubles marathon was broken with a time of 101 hours.
San Francisco leaders George Moscone and Harvey Milk are murdered.
The first killer whale calf was born in captivity at Marineland in Los Angeles, California.
The Texas Chain Saw Massacre horror film premiered in cinemas in Los Angeles, California.
Capital punishment was declared unconstitutional in California, USA.
Charles Manson is sentenced to death in the gas chamber.
A chemist in Berkeley, California, US, announced that they successfully synthesized hormones that are responsible for human growth.
Donald and Doris Fisher opened the first Gap store in San Francisco, California.
Intel is founded.
Ronald Reagan signed the Therapeutic Abortion Act.
Ronald Reagan is sworn in as Governor of California.
Van's opened its first store at 704 East Broadway in Anaheim, California.
Glen Bell opened the very first Taco Bell restaurant, in Downey, California.
The Disneyland Monorail System opened to the public in Anaheim, California.
Robert Foster made a world record for holding his breath underwater.
The world's most famous clown 'Bozo' premiered live on KTLA-TV in Los Angeles, California, US.
US Marine Major John Glenn's 'Project Bullet' broke the transcontinental speed record.
Disneyland opens its doors for the first time.
The first official Church of Scientology opened in Los Angeles, California, USA.
Finnish Armi Kuusela won the first Miss Universe Pageant at Long Beach, California.
The fast-food chain, Jack in the Box, was founded in San Diego, California.
Los Angeles was covered in snow for the first time in recorded history.
The first-ever photograph of genes was taken.
In-N-Out Burger opened its first restaurant in Baldwin Park, Los Angeles, US.
