The first vice president of the United States, John Adams, was sworn in.
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The Apollo 16 lunar module landed on the surface of the Moon.
American Psychologist Timothy Leary and Star Trek creator Gene Roddenberry were launched into orbit after being cremated.
Brazil founded the city of Brasília and made it the nation's new capital city.
Climate change activist Greta Thunberg gave a speech in London, leading to protests across the city for four days.
The FBI arrested an American terrorist, Timothy McVeigh, who was responsible for the Oklahoma City bombing.
