The average age of the Signers of the Declaration of Independence was 45. The youngest was Thomas Lynch, Jr (27) of South Carolina. The oldest delegate was Benjamin Franklin (70) of Pennsylvania. The lead author of The Declaration, Thomas Jefferson, was 33.
1 out of 8 signers of the signers were educated at Harvard (7 total). Four each at William & Mary, Yale, and Princeton. George Wythe was a professor at William & Mary and one of his students was Thomas Jefferson.
After signing the Declaration, John Hancock remarked that Congress must now “all hang together”. Benjamin Franklin replied, “Yes, we must indeed all hang together, or most assuredly we shall all hang separately.”
Every 4th of July the Liberty Bell in Philadelphia is tapped (not actually rung) thirteen times in honor of the original thirteen colonies.