Prussia and Russia signed the Treaty of Saint Petersburg, which ended seven years of war between the two.
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Bhumibol Adulyadej was crowned King of Thailand.
Kublai Khan, the grandson of Genghis Khan, became the ruler of the Mongol Empire.
Donald Glover, known by his stage name Childish Gambino, released the music video for his single titled 'This Is America,' which went on to gain vast praise.
Mary Kies became the first woman ever to acquire a patent.
Secretariat made history when he finished the Kentucky Derby in record time.
