Inventor Thomas Savery patented the first steam engine in England.
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The International Astronomical Union named Pluto's fourth and fifth moons Kerberos and Styx.
The first Earl of Shaftesbury, Anthony Ashley Cooper, was arrested for high treason in England.
Martin Luther was almost struck by lightning and became a monk.
During a thunderstorm in Charleston, South Carolina, the National Weather Service reported an alligator falling from the sky.
North and South Vietnam were formally reunified after more than twenty years of war.
