Skip to Main Content

Constitution Day: September 17: Constitution

U.S. Constitution


We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defense, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America.

Constitution Day at NPC

The U.S. Congress established September 17 as Constitution Day, to commemorate and celebrate the signing of the Constitution on September 17, 1787, at the Constitutional Convention in Philadelphia. The law provided that colleges and universities should offer educational resources to better understand the Constitution as a founding document of the U.S. political and social order.

Constitution Day Videos

United States Constitution on the Web

Additional Research Tools

Teaching Resources and Activities