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Constitution Day: September 17

Constitution Day commemorates the formation and signing of the U.S. Constitution September 17, 1787.

The Document

The U.S. Constitution

PREAMBLE

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 Constitution Day at the Law Library of Congress.

The Constitution: Getting Started

These sources give foundational knowledge about the Constitution and the Bill of Rights. 

The Constitution: In Context

These sources analyze the constitution throughout history and today.

Becoming a U.S. Citizen

Constitution Day recognizes those who were born and those who have become naturalized U.S. citizens. Here are some resources for becoming a citizen.