Portuguese explorer Juan Rodríguez Cabrillo discovers Catalina Island off the coast of California.
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Lake Merced, California, was found to have sunk 30 feet (9 meters).
Two rival driverless taxi companies were given approval to operate 24/7 in San Francisco, California.
Clint Eastwood was elected as Mayor of Carmel, California.
The USS Nautilus, the world's first nuclear-powered submarine, was decommissioned in California.
Ronald Reagan signed the Therapeutic Abortion Act.
