Constitution Day and Citizenship Day is a combined event that is annually observed in the United States on September 17. This event commemorates the formation and signing of the Constitution of the United States on Sept. 17, 1787. The U.S. Department of Education provides various resources on the event as the department is responsible for implementing Constitution Day legislated mandates. Among these is the requirement for educational institutions that receive federal funds to hold an educational program on the United States Constitution on Sept. 17 each year.

On Constitution Day, an event which falls during Constitution Week (Sept. 17-23), many people in the United States recognize the anniversary of the nation's constitution and the efforts and responsibilities of all citizens. With regard to the nation's constitution, in the summer of 1787, delegates convened in Philadelphia to create "a more perfect union" and to craft the country's constitution. They worked to develop a framework that would provide balance and freedom, taking into account federal and state interests, as well as individual human rights. The delegates signed the constitution of the United States on Sept. 17 that year. By June 21, 1788, the constitution was effective, having been approved by nine of the 13 states.
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