Musical.ly and TikTok merged, combining the users of both apps to form one community.
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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.
The finalized copy of the United States Declaration of Independence was signed by congress.
Britain took power over the Indian government.
Adolf Hitler became Führer of Germany following the death of President Paul von Hindenburg.