Constitution Week is an American observance to commemorate the adoption of the United States Constitution. The observance runs annually from September 17 to September 23. It was officially enacted on August 2, 1956 by President Dwight D. Eisenhower from a congressional resolution petitioned by the Daughters of the American Revolution, but it was George W Bush who officially declared the inception of Constitution Week in September 2002. The purpose of the observance week is to promote study and education about the constitution which was originally adopted by the American Congress of the Confederation on September 17, 1787.
Legend: (Federal) = Federal holidays, (State) = State holidays, (Religious) = Religious holidays, (Week) = Weeklong holidays, (Month) = Monthlong holidays, (36) = Title 36 Observances and Ceremonies Bolded text indicates major holidays that are commonly celebrated by Americans, which often represents the major celebration of the month.