36 U.S. Code § 106: Constitution Day and Citizenship Day commemorate the formation and signing on September 17, 1787, of the Constitution and recognize all who, by coming of age or by naturalization, have become citizens.
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.

Learn More About the Constitution
- Read the full text
- Check out the FAQ at the National Archives
- Visit the National Constitution Center
- The National Archives explains how the Constitution came to be
- The actual document is hosted in the National Archives Museum
- Learn more about the Framers
- Constitution DocsTeach from the National Archives