Prussia and Russia signed the Treaty of Saint Petersburg, which ended seven years of war between the two.
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A conjunction of Sun, Mercury, Venus, Mars, Jupiter, Saturn, and the Moon occurred.
During his second voyage to the New World, Christopher Columbus spotted Jamaica and landed at Discovery Bay.
Alan Shepard became the first American to travel to outer space.
Mary Kies became the first woman ever to acquire a patent.
Eugene Bullard became the first African-American military pilot after acquiring his pilot's license from the Aéro-Club de France.
