1. On February 18, 1932, the Winter Olympics were held in Lake Placid, New York. Colorado native and speed skater, Irving Jaffee, won two gold medals in the 5,000 meter and 10,000 meter races.

2. The Battle of Valverde, a Civil War battle that took place on February 18, 1862, had significant impact on Colorado history. The victory by Union forces allowed them to take control of the southwestern portion of the state, which meant that the gold and silver mines located in that region could continue to support the Union financially.

3. In 1880, a devastating mining accident occurred on February 18 in Leadville, Colorado. The Carbonate Mine exploded, killing 13 miners and injuring several others.

4. On February 18, 1930, Colorado's first national park, Rocky Mountain National Park, was officially dedicated by President Herbert Hoover. The park spans over 400 square miles and is home to a wide variety of wildlife, including bighorn sheep, elk, and black bears.

5. The Colorado State Capitol Building was completed on February 18, 1908, after several years of construction. The building, which is located in downtown Denver, is known for its distinctive gold dome and has become a symbol of Colorado's history and government.