Construction of the iconic Golden Gate Bridge in San Francisco began.
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The Disneyland Monorail System opened to the public in Anaheim, California.
Portuguese explorer Juan Rodríguez Cabrillo discovers Catalina Island off the coast of California.
The world's largest plane, The Stratolaunch, had its first flight from the Mojave Desert in California.
The first wagon train arrived in California after having left Independence, Missouri, in May 1841.
The Hands Across America charity event was held.
