America's 250th [1]
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America’s Startup
America’s Startup
A national undergraduate collegiate startup competition to spotlight early-stage business ideas.
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America’s Field Trip
A multi-year contest for students in grades 3-12 to submit artwork and essays for the chance to earn unique experiences at iconic American sites.
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Help us make the Semiquincentennial a record setting year of volunteer service.
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About America250
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The Latest [5]

America's 250th [1]
Our Initiatives [2]
America’s Startup
America’s Startup
A national undergraduate collegiate startup competition to spotlight early-stage business ideas.
- Learn More
America’s Field Trip
America’s Field Trip
A multi-year contest for students in grades 3-12 to submit artwork and essays for the chance to earn unique experiences at iconic American sites.
- Learn More
- 2025 Awardees
America Gives
America Gives
Help us make the Semiquincentennial a record setting year of volunteer service.
- Add Your Volunteer Hours
See more ways to get involved
About America250
Our Partners
The Latest [5]

Aug 1, 2026

Mile High 150 Expo

Commemorative Air Force Mile High Wing

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Rocky Mountain Metropolitan Airport
11755 Airport Way
Broomfield, Colorado 80021
See website for details

Celebrate 150 years of Colorado statehood with an experience you'll feel in your chest and remember for a lifetime. Mile High 150 Expo brings festival energy on the ground and aviation power in the sky, starting on Friday, July 31 with a Gala like no other, and continuing with music, aerial acts and static displays on Colorado Day, Saturday, August 1, 2026, at Rocky Mountain Metropolitan Airport in Broomfield.