The finalized copy of the United States Declaration of Independence was signed by congress.
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Iraq invaded the Gulf state of Kuwait.
Researchers in South Korea developed a tattoo that monitors a person's health.
The Tower Subway in London became the first underground tube railway to open.
The Space Race began between the two Cold War rivals, the USA and the USSR.
Musical.ly and TikTok merged, combining the users of both apps to form one community.