The US and Britain signed the Lyons-Seward Treaty.
The Treaty was an agreement to suppress the trading of slaves.
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The British Museum in London was established after King George II gave his Royal assent to parliament.
Vatican City signed the Lateran Treaty making it an independent state.
The First Crusaders successfully sieged Jerusalem and took it from the Fatimid Caliphate.
King Kamehameha III of Hawaii signed the Declaration of Rights, which was a significant movement away from the country's 'ancient ways.'
The Day of the Tiles took place.