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University Library, University of Illinois at Urbana-Champaign

Constitution Day

On September 17th, 1787, thirty-nine delegates to the Philadelphia Convention completed and signed the U.S. Constitution. We observe this day to commemorate the signing of the Constitution and to think about how the U.S. Constitution affects us today.

Constitution Day and Citizenship Day Documents

Legislative Branch Documents

Executive Branch Documents

For more presidential messages, statements, and remarks, go to the American Presidency Project (before 1993) or the Government Printing Office’s Advanced Search page (1994-) in the collections for the Code of Federal Regulations, the Compilation of Presidential Documents and the Federal Register.