Sesquisemiquincentennial

America 250 - Colorado 150 Anniversary

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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 150th anniversary of Colorado’s statehood (sesquicentennial) alongside the nation’s 250th 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.

History Happy Hour: The Corrupt State Election of 1904

  • Date: 08/11/2026 5:30 PM - 7:00 PM  

Tuesday, August 11 | 5:30 - 7 p.m.

The Simon, 957 Main St

Registration is required at LouisvilleCO.Gov/MuseumEvents.

David Hosansky will present on the controversial 1904 gubernatorial election in Colorado and ensuing First Amendment court case. Governor James H. Peabody (R) ran for re-election against Alva Adams (D) following a polarizing term. Accusations of voter fraud abounded following the 1904 election, which resulted in disputed results and Colorado having three different governors in a single day in March 1905. Historians consider the election the most corrupt in Colorado state history. Join us at The Simon to learn all about this fascinating moment in the state's political history.

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