1. The Colorado State Fair officially opened on August 24, 1872, in Pueblo, Colorado. It became an annual event which celebrates the agricultural heritage of Colorado and has become one of the largest summer events in the state.

2. The U.S. Forest Service was established on August 24, 1912. This federal agency manages public lands in national forests and grasslands across the United States, including 14 national forests in Colorado.

3. On August 24, 1972, the Clean Water Act was signed into law by President Richard Nixon. The act provided federal funds to improve water quality and protect aquatic species in Colorado and throughout the country.

4. The Colorado Rockies made their Major League Baseball debut on August 24, 1993, in a game against the New York Mets. The Rockies became the first MLB team to play its home games at an altitude over 5,000 feet.

5. August 24, 2018, marked the opening of Meow Wolf Denver, an immersive art installation that features a variety of interactive exhibits, including a giant spider and a forest made of neon lights. The exhibit has become a popular tourist destination in Colorado.