German bombers attacked the English city of Exeter, beginning the Baedeker Blitz.
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Duke Wilhelm IV of Bavaria enacted The German Beer Purity Law (Reinheitsgebot), strictly regulating beer making.
The first video was uploaded to YouTube.
Coca-Cola launched their ill-fated new formula known unofficially as 'New Coke.'
President Donald Trump suggested a dangerous theory that injecting disinfectant could cure the Coronavirus.
The Soviet Union launched the first crewed Soyuz mission, Soyuz 1.