Louisville to Host Sesquisemiquincentennial Celebrations in 2026

Yes, that’s a real word! The City of Louisville, in collaboration with the U.S. Semiquincentennial Commission, America 250 Foundation, and American 250-Colorado 150 Commission, are partnering to celebrate the coming 150^th anniversary of Colorado’s statehood (sesquicentennial) alongside the nation’s 250^th birthday (semiquincentennial) in 2026.

The city’s Cultural Services Department will be hosting a range of events and special programs in the coming year to commemorate Louisville’s unique history in context of these major milestones for the state and country.