Sir Francis Drake discovered New Albion in California.
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San Francisco leaders George Moscone and Harvey Milk are murdered.
Hoover Dam began producing electricity and transmitting it to Los Angeles, California.
Howard Hughes designed and built the world's fastest plane called the H-1 racer, then, on this day, flew it at a new world speed record at 352 miles per hour in Santa Fe, California.
In-N-Out Burger opened its first restaurant in Baldwin Park, Los Angeles, US.
California became the 31st state to join the United States of America.
