John Brallier became the first openly paid professional American Football player when he was paid $10 to play a match.
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Holocaust diarist Anne Frank was transported to Auschwitz, along with over a thousand other Jewish prisoners.
Adolf Hitler made plans to invade Britain starting on September 21, 1940.
The Sun newspaper was published for the first time in New York City.
Sir Malcolm Campbell broke the world record speed exceeding 300 mph on the Bonneville Flats, Utah, US.
Sweden switched from driving on the left side of the road to the right side.