1. In 1870, Colorado's first fire department was organized in Denver on February 25. The Denver Fire Department still serves the city today and is one of the oldest continuously operated departments in the country.

2. On February 25, 1901, Colorado's first national forest was established. Known as the Pike National Forest, it covers over one million acres of land and is a popular destination for outdoor enthusiasts.

3. In 1913, the first Denver Auto Show opened on February 25. The show has since become an annual event and is one of the largest automobile shows in the country.

4. On February 25, 1922, Colorado State University (then known as Colorado Agricultural College) established a School of Forestry. Today, the school continues to offer a variety of undergraduate and graduate programs in natural resources and ecological sciences.

5. The winter of 2010-2011 was particularly harsh in Colorado, with several records broken for snowfall and low temperatures. On February 25, 2011, the town of Lamar set a new record low temperature of -33 degrees Fahrenheit.