Tuesday, September 17, 2024 12:00 AM–12:00 AM More information Constitution Day and Citizenship Day September 17 is designated as Constitution Day and Citizenship Day to commemorate the signing of the U.S. Constitution in Philadelphia on September 17, 1787. September 2024 Sun Mon Tue Wed Thu Fri Sat 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 View Today Event quick search Save this event Share this event
