The state of Vermont became the first to abolish adult slavery after declaring the Constitution of Vermont.
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The US Federal Trademark Act began, which allowed authorization of Trademarks.
Elton John ended his touring career with a final concert in Stockholm, Sweden.
Japan's former prime minister Shinzo Abe was shot in the city of Naga while giving a speech.
A flying saucer crash at Roswell, New Mexico, was broadcasted to the public.
The Wall Street Journal issued its first paper.
