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