September 17 is designated as Constitution Day and Citizenship Day to commemorate the signing of the U.S. Constitution in Philadelphia on September 17, 1787.
U.S. Code Title 36 Subtitle I Part A CHAPTER 1 § 106
36 U.S. Code § 106 – Constitution Day and Citizenship Day
September 17 is designated as Constitution Day and Citizenship Day.
(b)Purpose.— 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.
When Is Constitution Day Observed?
September 17 is designated as Constitution Day and Citizenship Day. If Constitution Day falls on a weekend, it may be held in the previous or next week. The Center offers extensive virtual and in-person programming supported by educational materials for learners of all ages!