September 17, 1787, was the day on which the Constitution of the United States was signed by all of the Constitutional Convention delegates. Constitution Day became a holiday in 1997, and is celebrated on September 17 of each year. Prior to 1997, September 17 was known as Citizenship Day, in celebration of the signing of the Constitution.
View and read the U.S. Constitution:
- The U.S. Constitution, and Charters of Freedom, courtesy of the National Archives: High-resolution digital reproductions of the Constitution, Bill of Rights, and Declaration of Independence.
- Interactive Constitution, by the National Constitution Center: Provides discussion by scholars on each clause and amendment, highlighting areas of agreement and matters of debate. Links to additional educational resources are included.