British bomber planes obliterated 89% of Würzburg, Germany, within just 20 minutes.
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King Gustav III of Sweden was shot during a masquerade ball at the Royal Opera Hall in Stockholm.
Democratic Senator Robert F. Kennedy started his presidential campaign.
The Dow Jones Industrial Average experienced the single-largest point drop in history.
The world record for rainfall dumped 6.1 feet (1.87m) of rain on Cilaos, Island of Réunion.
The first African American newspaper called 'Freedom's Journal' was published in the US.
