The US and Britain signed the Lyons-Seward Treaty.
The Treaty was an agreement to suppress the trading of slaves.
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Queen Elizabeth I and George VI became the first king and queen of Great Britain to travel to the US.
King Louis XIV of France was coronated.
King Kamehameha III of Hawaii signed the Declaration of Rights, which was a significant movement away from the country's 'ancient ways.'
Machine guns were fired from a US airplane for the first time.
The USSR's Venera 16 probe was launched from the Baikonur Cosmodrome on a trip to Venus.