What is the name of the 2026 U.S. anniversary known as America250?

The 2026 U.S. anniversary known as America250 is the United States Semiquincentennial.

The term refers to the 250th anniversary of the United States Declaration of Independence. It combines “semi,” meaning half, with “quincentennial,” meaning a 500th anniversary; half of 500 is 250. The anniversary is observed on July 4, 2026, 250 years after the Declaration was proclaimed.

America250 is associated with the United States Semiquincentennial Commission, a nonpartisan congressional organization established in 2016 to coordinate national commemorations. The commission’s work includes encouraging events, educational programs, commemorative coins and postage stamps, and activities at historically significant locations.

The name can be confused with “Bicentennial,” which describes the 200th anniversary celebrated in 1976. “Sestercentennial,” “bisesquicentennial” and “quarter millennium” are also recorded alternative terms, but United States Semiquincentennial is the title used for this national anniversary. The next major anniversary term for the United States would be Tricentennial, marking 300 years in 2076.