Colorado’s 150th anniversary

250th anniversary of the Declaration of Independence

As we mark this uniquely Colorado commemoration–our Sesquisemiquincentennial–we invite you to join in our efforts as we honor Colorado’s shared history, create memorable public experiences, and uplift communities statewide. Your contribution is incredibly important to this effort, and we thank you for your support. 

If you would like to contribute toward a specific program, please contact America 250 - Colorado 150 Commission staff at

Thank you for your support in making this a meaningful commemoration!