John Lennon and Yoko Ono were served deportation papers for overstaying in the US.
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British bomber planes obliterated 89% of Würzburg, Germany, within just 20 minutes.
King Gustav III of Sweden was shot during a masquerade ball at the Royal Opera Hall in Stockholm.
Samoset became the first Native American to make contact with the Plymouth colony.
The US celebrated its very first National Book Awards.
The Dow Jones Industrial Average experienced the single-largest point drop in history.