The first Walmart store opened in Rogers, Arkansas.
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During a thunderstorm in Charleston, South Carolina, the National Weather Service reported an alligator falling from the sky.
Inventor Benjamin J. Lane patented the first self-contained gas mask.
American aviator Amelia Earhart disappeared.
The International Astronomical Union named Pluto's fourth and fifth moons Kerberos and Styx.
The Civil Rights Act of 1964 was signed into law by US President Lyndon B. Johnson.
