Musical.ly and TikTok merged, combining the users of both apps to form one community.
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The finalized copy of the United States Declaration of Independence was signed by congress.
The Space Race began between the two Cold War rivals, the USA and the USSR.
The Tower Subway in London became the first underground tube railway to open.
Letter collections started being collected from mailboxes in Boston, US.
Adolf Hitler became Führer of Germany following the death of President Paul von Hindenburg.
