The Bolivian city of Potosí was founded after vast deposits of silver were discovered in the mountains nearby.
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Bonnie and Clyde shot two highway patrolmen outside Grapevine, Texas.
The Royal Canadian Air Force was formed out of the Canadian Air Force.
Marvin Gaye died after his father shot him twice in Los Angeles.
The TIROS satellite transmitted the first-ever TV picture from space.
NASA celebrated April Fool's Day by telling the world that they found water on Mars.