Adolf Hitler became Führer of Germany following the death of President Paul von Hindenburg.
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Letter collections started being collected from mailboxes in Boston, US.
The Space Race began between the two Cold War rivals, the USA and the USSR.
English sea explorer Henry Hudson reached the Hudson Bay, which was named after him.
Samuel Briggs and his son patented his nail-making machine.
The King of England, William II, was killed by an arrow while hunting in New Forest Hampshire, England.
