Apollo 1 test launch failed, and astronauts Gus Grissom, Ed White, and Roger B. Chaffee all died.
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The Outer Space Treaty was signed to prevent the use of nuclear weapons being utilized in space.
The Vietnam War officially ended, for the US at least, after the Paris Peace Accords were signed.
Scottish schoolmaster Dr. John Fian who had 'a pact with the devil,' was found guilty of witchcraft.
Germany first observed the International Holocaust Remembrance Day.
President Donald Trump banned citizens of seven countries from entering the US.
