North and South Vietnam were formally reunified after more than twenty years of war.
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The Salvation Army was founded in London by Methodist preacher William Booth and his wife, Catherine Booth.
The first Walmart store opened in Rogers, Arkansas.
Inventor Thomas Savery patented the first steam engine in England.
The International Astronomical Union named Pluto's fourth and fifth moons Kerberos and Styx.
During a thunderstorm in Charleston, South Carolina, the National Weather Service reported an alligator falling from the sky.
