The US National Park Service has honored the Boulder County Courthouse in Colorado, where several same-sex marriage licenses were issued in 1975, decades before it was legally possible to do it in the country. The Colorado courthouse was the first place in the United States to issue a marriage license to a same-sex couple. The then-Boulder County clerk Clela Rorex opted to grant the request to the local same-sex couple after she was informed that the Constitution of Colorado defined marriage as a union off two persons without mentioning the gender criterion. Rorex went on to issue a total of six marriage licenses to same-sex couples, before being ordered to stop by Colorado’s attorney general J. D. MacFarlane, who invalided all of them. According to NBC, the courthouse is one of just a few locations included in the National Park Service’s National Register of Historic Places for their importance to LGBT+ history, alongside New York City’s Stonewall Inn and the Washington DC home of gay rights hero Frank Kameny.