American flags

Constitution Day

In 2005, the United States began to celebrate Constitution Day. Also known as Citizenship Day, Constitution Day is an American holiday honoring the day 39 delegates to the Constitutional Convention signed the United States Constitution. This historic date was September 17, 1787. Learn more about Constitution Day via the US Senate website.

Constitution Day is celebrated on September 17 each year.

In honor of Constitution Day, consider registering to vote!

Complete your voter registration application online via the PA Department of State. Information on registering to vote, updating your voter registration, and more is available on the PA Department of State’s website. Additional information on voting is available on the website.

Visit Pennsylvania’s official election and voter information website:

Interested in planning a Constitution Day event? The US Department of Education’s website offers a variety of Constitution Day resources and materials.