1. In 1864, a devastating fire erupted in Denver, Colorado that destroyed the entire city's business district. The fire started on November 9th and continued burning until November 10th. It destroyed 20 blocks and nearly two-thirds of the city's buildings, leaving thousands homeless.

2. The first radio station in Colorado, KFEL, went on the air in Denver on November 10th, 1922. The station was owned by the Engel-Lehman Company and broadcast on the AM band.

3. On November 10th, 1942, a thousand army soldiers from Pueblo, Colorado departed for North Africa to fight in World War II. They were part of the 135th Infantry Regiment, and they sailed on the ship Santa Maria from New York Harbor.

4. In 1965, the first black mayor in Colorado history, Roy G. Whitehead, was elected as mayor of Fountain, a small town near Colorado Springs. Whitehead served as mayor from November 10th, 1965 to April 18th, 1967.

5. The Rocky Flats nuclear weapons plant, located outside of Denver, was shut down on November 10th, 1989, after a decade of protests and environmental concerns. The plant had been in operation since the 1950s and produced plutonium triggers for nuclear weapons. It was eventually cleaned up and turned into a wildlife refuge.