The USA turns 250 on July 4, 2026. But the prelude celebrations are happening right now. Several local museums and libraries in Tennessee will be hosting celebrations for America's 250th birthday, known as the American Semiquinncentennial Celebration. Sycamore Shoals State Park performed “Liberty! The Saga of Sycamore Shoals” on June 19-21 and June 26-28. Sycamore Shoals was one the foundations for democracy not only in Tennessee but also the nation.