US Founding Father, Benjamin Franklin, wrote, “There never was a good war or a bad peace,” in a letter to Josiah Quincy.
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The US Postal Service was founded.
Amateur British chemist Sir James Jay invented invisible ink.
Benjamin Franklin was awarded the Godfrey Copley Medal.
Louis Timothee became America's first paid librarian.
Benjamin Franklin announced his invention of bifocal eyeglasses.