The world’s first McDonald’s drive-through was opened in Arizona.
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American astronomer Clyde Tombaugh discovered Pluto.
The most famous western gunfight happened at the O.K. Corral in Tombstone, Arizona.
Ticketmaster Entertainment Inc. was founded in Phoenix, Arizona.
Arizona became the 48th state to join the United States of America.
McDonald's sold their business in Russia to a local licensee to allow him to operate the restaurants under a new brand.
