September 17, 2026 is Citizenship Day!

September 17, 2026 is Citizenship Day!Citizenship Day (also known as Constitution Day) marks the anniversary of the ratification of the U.S. Constitution on September 17, 1787. It also recognizes all who have become U.S. citizens - whether by coming of age or by naturalization. The origin of this holiday dates back to 1940, when "I am an American Day" was celebrated on the third Sunday in May. In 1952, Congress moved the date to September 17 and renamed it "Citizenship Day." In 2004, the official name changed to "Constitution Day and Citizenship Day."Due to an amendment made in 2004 to a spending bill, all publicly funded educational institutions and all federal agencies must provide educational programming on the history of the American Constitution on this day.