Arizona became the 48th state to join the United States of America.
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American astronomer Clyde Tombaugh discovered Pluto.
The most famous western gunfight happened at the O.K. Corral in Tombstone, Arizona.
The world's first McDonald's drive-through was opened in Arizona.
James Bedford is frozen with intent of future resuscitation.
Ticketmaster Entertainment Inc. was founded in Phoenix, Arizona.