What anniversary celebration preceded America250’s 2026 semiquincentennial?

The United States Bicentennial preceded America250’s 2026 semiquincentennial.

The Bicentennial commemorated the 200th anniversary of the Declaration of Independence in 1976. It produced nationwide celebrations, special exhibitions, public ceremonies, commemorative objects, and extensive use of red, white, and blue imagery. The event remains one of the largest anniversary observances in modern U.S. history.

The 1976 celebration followed earlier national milestones. The Centennial took place in 1876, centered on the Centennial Exposition in Philadelphia, while the Sesquicentennial marked 150 years in 1926. America250 continues that sequence by marking 250 years in 2026.

The names describe the number of years being commemorated: centennial means 100, sesquicentennial means 150, bicentennial means 200, and semiquincentennial means 250. The Bicentennial was not the 250th anniversary; it was the immediately preceding major national anniversary of the Declaration.