1. The Ute Indian Museum was established. On July 23, 1956, the Ute Indian Museum was established in Montrose, Colorado. This museum is dedicated to preserving the culture and history of the Ute tribe, who have inhabited the region for thousands of years.

2. The Denver Broncos were established. On July 23, 1959, the Denver Broncos were granted a charter franchise in the American Football League (AFL). The team played their first game in 1960 and has since become a beloved institution in Colorado sports.

3. The first license plates were issued. On July 23, 1913, Colorado issued its first official license plates for automobiles. The plates were made of porcelain and featured the letters "CO" followed by a unique number.

4. The Rocky Mountain News printed its last edition. On July 23, 2009, the Rocky Mountain News, one of Colorado's oldest newspapers, printed its final edition after 150 years in operation. The paper won four Pulitzer Prizes over the course of its history.

5. The Colorado State Capitol building was dedicated. On July 23, 1894, the Colorado State Capitol building was officially dedicated in Denver. The building, which features a distinctive gold dome, was designed by architect Elijah E. Myers and is listed on the National Register of Historic Places.