The U.S. Constitution anniversary is on September 17, which is celebrated as Constitution Day.

This federal holiday commemorates the signing of the U.S. Constitution by the Founding Fathers in 1787, marking the day the foundational document of American government, democracy and freedoms was established. The day also incorporates Citizenship Day, recognizing new and existing citizens.

To celebrate Constitution Day on September 17, you can read the Constitution, participate in naturalization ceremonies, watch educational videos, engage in civic education activities like Bill of Rights Bingo or Constitution Puzzles, sign the Constitution Week Proclamation Pledge, or join in the Bells Across America tradition by ringing bells at 4 p.m.

These activities provide opportunities for learning, civic engagement, and understanding the significance of this foundational U.S. document.