Ben Franklin was the oldest delegate at the age of 81.
Rhode Island was the only state that refused to send delegates to the Constitutional Convention.
The Constitutional Convention lasted from May 25, 1787 through September 17, 1787.
George Washington did not speak at all during the Convention until the last day of the Convention.
Only 39 of the 55 delegates signed the document.
The Pennsylvania General Assembly assistant clerk Jacob Shallus was paid $30 to use the pen.
George Washington and James Madison were the only presidents who signed the Constitution.