The first Walmart store opened in Rogers, Arkansas.
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North and South Vietnam were formally reunified after more than twenty years of war.
The International Astronomical Union named Pluto's fourth and fifth moons Kerberos and Styx.
A peace agreement was signed between King John of England and Prince Louis VIII of France, marking the end of the Siege of Roche-au-Moine, France.
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.