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