George IV succeeded his father, George III, as King of the United Kingdom.
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Maurice-François Garin won the first Tour de France.
The Seneca Falls Convention became the first-ever US women's rights convention.
Five women were hanged for witchcraft as part of the Salem Witch Trials in Massachusetts, US.
Marvel's superhero movie 'Captain America: The First Avenger' hit the theaters.
NASA's Apollo 11 orbited the moon.
