The US and Britain signed the Lyons-Seward Treaty.
The Treaty was an agreement to suppress the trading of slaves.
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Machine guns were fired from a US airplane for the first time.
Vatican City signed the Lateran Treaty making it an independent state.
Queen Elizabeth I and George VI became the first king and queen of Great Britain to travel to the US.
The First Crusaders successfully sieged Jerusalem and took it from the Fatimid Caliphate.
The USSR's Venera 16 probe was launched from the Baikonur Cosmodrome on a trip to Venus.
