March 5, 1935. A guy named Louis E. Ballast walks into a trademark office and registers one word. "Cheeseburger." He ran a drive-in over on Speer called the Humpty Dumpty Barrel, and he basically tried to copyright a slice of American cooking for the rest of time.

It did not hold up. But we put up a granite marker anyway, in 1987, and it still stands near Speer Boulevard and Zuni. Denver claiming the cheeseburger, in stone, forever. That is the kind of confidence I respect.
Here is why I am bringing this up. Colorado turns 150 on August 1, 2026. And the night before, the whole thing gets celebrated the right way, which is to say with food, in the middle of downtown, for free.

Friday, July 31, 2026. Five to ten p.m. Civic Center Park, 101 14th Ave., right there by Broadway and Colfax. Free and open to the public, no ticket, no cover, nothing at the gate. You just walk in.
This is the Civic Center Night Market: Homegrown Colorado, and it is the third season of this thing, produced by the Civic Center Conservancy with Bonfire Event Co. More than 80 vendors are scheduled, and the breakdown is 45-plus food and beverage vendors, 12 Colorado craft beverage makers, and 20 artisan retail vendors. Colorado Newsline actually put the count north of 90. Either way, that is a lot of ground to cover on one stomach.
The whole angle is homegrown. Everything ties back to the state. So you are looking at Pueblo chiles, Colorado beef, Palisade peaches, locally harvested honey. Real stuff grown and raised here, cooked here.
And this is the part people miss. They are also leaning into what they call Colorado "culinary gems," which is a fancy way of saying the diner classics we take credit for. Cheeseburgers. Root beer floats. The greatest hits.

The cheeseburger claim is fun but honestly it is contested. Kaelin's in Louisville, Kentucky says they had it on a 1934 menu. Places in Pasadena and Los Angeles were serving cheeseburgers back in the 1920s. So the granite marker is a great story and a shaky legal argument. I love it anyway.
The root beer float, though. That one has a scene to it. Back in 1893, a Cripple Creek brewer and saloon-keeper named Frank J. Wisner is looking out at Cow Mountain, watching snow sit on top of it. And he decides to drop vanilla ice cream into a glass of root beer to recreate the look. He called it a "black cow." That is a Colorado guy, in a Colorado mining town, inventing dessert because a mountain looked a certain way. If you ask me, that is the most Colorado thing on this entire menu.
Both of those show up at the market. So you can eat the history instead of just reading a plaque about it.
If you are drinking, the Colorado Cask District is set up for tastings of Colorado-made wine, mead, cider and spirits. Twelve craft beverage makers total across the market. I am not going to pretend that is not dangerous for me.
It is not just eating and drinking, either. There is live music, DJs, a silent disco, interactive art, outdoor recreation activities and hands-on projects. And it runs the same evening as the Denver Art Museum's "Untitled" (DAMU) night, so you can bounce between the two if you time it right.
Eric Lazzari, the Conservancy's Executive Director, framed the whole thing as celebrating Colorado traditions right in the heart of the capital. And that is the part that actually lands for me. This is not some field out by the airport. It is Civic Center, the front lawn of the state, on the eve of the state's 150th birthday.
The Night Market is really the pre-party. It is an official America 250 and Colorado 150 event, and the actual birthday is Saturday, August 1.
So here is the plan if you want to stretch it. Friday and Saturday, the Governor's Residence at Boettcher Mansion holds open houses from 10 a.m. to 2 p.m. The Colorado State Archives is running public collection tours on July 31 too, which is a nerdier and honestly great use of an afternoon. Then Saturday, History Colorado hosts a Community Fest in the Golden Triangle, just south of Civic Center Park. You basically never have to leave the neighborhood.
And look, since I cannot help myself, that Golden Triangle and Civic Center corridor is worth watching from a real estate standpoint anyway. When a city keeps programming its downtown park with free events that pull thousands of people in, that is not nothing for the condos and lofts sitting right around it. Foot traffic is foot traffic.
But that is a story for another day. For this one, the move is simple. Show up Friday, July 31, between 5 and 10. Eat a cheeseburger that Denver swears it invented. Wash it down with a black cow that we can actually prove we invented. Toast 150 years.
Bring cash for the vendors. Do not bring your wallet expectations to the gate, because there is nothing to pay there. Buckle up.