Benjamin Franklin was awarded the Godfrey Copley Medal.
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Louis Timothee became America's first paid librarian.
The US Postal Service was founded.
Amateur British chemist Sir James Jay invented invisible ink.
US Founding Father, Benjamin Franklin, wrote, 'There never was a good war or a bad peace,' in a letter to Josiah Quincy.
Benjamin Franklin sailed from England back to the US to work for a Quaker merchant in Philadelphia.