Quiz: How much do you know about the U.S. Constitution?

Happy Constitution Day everyone, the occasion marking the Sept. 17, 1778, signing of the U.S. Constitution in Philadelphia.

It’s a holiday without fireworks or fanfare, but what it may lack in mandatory time-off, Constitution Day makes up for with history. To celebrate this day cherished by lovers of American law, we bring you a short quiz to test your knowledge of the nation’s founding and of potential changes on deck for the Constitution today.