1. The deadliest avalanche in Colorado history occurred on December 27, 1913, when two trains were swept away by a massive snowslide near Wellington, killing nearly 100 people.

2. On December 27, 1963, the Denver Broncos played their first-ever playoff game against the Boston Patriots, losing 26-10.

3. December 27, 1932, marked the opening of the Mount Evans Scenic Byway, a scenic drive to the top of Mount Evans, the highest paved road in North America at an elevation of 14,271 feet.

4. The city of Aspen was officially incorporated on December 27, 1881, when the first meeting of the town board was held.

5. The Colorado state flag was adopted by the General Assembly on June 5, 1911, but it wasn't until December 27, 1926, that the Colorado state flag was raised over the state capitol building for the first time.