Astronomer William Herschel first observed Uranus.
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American baseball catcher Wilbert Robinson tried to claim a record by catching a ball dropped from a plane 525 feet above him.
Earmuffs were patented.
Pope Leo XII renewed the prohibition of members of the Catholic Church from joining the Freemasons.
The first major revolt of the 1848-1849 German revolutions began in Vienna.
Itza, the last Mayan kingdom, was conquered by Spanish forces.