1. The Colorado-Wyoming Coal Strike of 1922 began on June 22, 1922. Over 10,000 coal miners in Colorado and Wyoming went on strike for better working conditions and higher wages. The strike lasted for several months and turned violent at times, with clashes between striking miners and company guards.

2. The Fourmile Canyon Fire started on June 22, 2010, in Boulder County, Colorado. The wildfire burned over 6,000 acres and destroyed 169 homes before it was finally contained on September 16, 2010. The fire was one of the most destructive in Colorado's history.

3. The first drive-in movie theater in Colorado opened on June 22, 1948. The Star Drive-In in Montrose, Colorado, could accommodate up to 350 cars and was a popular destination for families and young couples looking for a unique movie-going experience.

4. The Colorado Chautauqua opened on June 22, 1898, in Boulder, Colorado. The Chautauqua was a popular educational and cultural movement that brought speakers, entertainers, and educators to Colorado and other parts of the United States. The Colorado Chautauqua is still in operation today and is listed on the National Register of Historic Places.

5. The Colorado State Capitol building was completed on June 22, 1894. The building's distinctive gold dome is made from real gold leaf and has become an iconic symbol of Colorado. The State Capitol is home to the Colorado General Assembly, as well as the offices of the governor and other state officials.