Colorado’s 150th anniversary

250th anniversary of the Declaration of Independence


This page contains resources for individuals, organizations, cities, and media outlets seeking to learn more about involvement in the America 250 - Colorado 150 commemoration. This includes tools for local governments and organizations, and our brand style guide, and more.

+ Visit our Events Calendar!

We are proud to highlight all of the exciting Sesquisemiquincentennial events and programs throughout Colorado in our statewide calendar.

250-150 Resources

Below are resources for individuals, communities, and organizations looking to get involved with the 2026 commemoration. Here you will find details on the Sesqusemiquincentennial, the America 250 - Colorado 150 Commission, and information on how to get involved locally. We invite you to share these resources with your local government, museums, libraries, and community groups.

Community Toolkit
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Our corporate and Community Partners

We gratefully acknowledge the following Partners for their generous support in making America 250 - Colorado 150 initiatives possible.

Sponsorships are a vital source of support to our commemorative efforts. They also provide unparalleled opportunities for visibility and recognition for all types of organizations. Explore how your organization can partner with America 250 - Colorado 150 as we commemorate our sesquisemiquincentennial anniversary. Contact Katie Roach, Program Director, at

Support America 250 - Colorado 150

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.

America 250 - Colorado 150 Newsletter