Prussia and Russia signed the Treaty of Saint Petersburg, which ended seven years of war between the two.
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Mary Kies became the first woman ever to acquire a patent.
During his second voyage to the New World, Christopher Columbus spotted Jamaica and landed at Discovery Bay.
Kublai Khan, the grandson of Genghis Khan, became the ruler of the Mongol Empire.
Bhumibol Adulyadej was crowned King of Thailand.
Secretariat made history when he finished the Kentucky Derby in record time.
