1. On July 24, 1858, gold was discovered in Colorado at the confluence of the South Platte River and Cherry Creek. This discovery helped to spark the Pike's Peak Gold Rush, which brought thousands of people to the region in search of fortune.

2. On July 24, 1915, the Rocky Mountain National Park was established. The park covers over 415 square miles and includes 77 peaks over 12,000 feet in elevation. It is a popular destination for outdoor enthusiasts and nature lovers.

3. On July 24, 1936, the Boulder Dam (now known as the Hoover Dam) was completed. The dam, located on the Colorado River between Arizona and Nevada, is a marvel of engineering and provides hydroelectric power to millions of people in the surrounding areas.

4. On July 24, 1952, the Granite Canon UFO Incident occurred. This incident involved two military jets chasing an unidentified flying object over Colorado and Wyoming. The incident remains a mystery to this day, with no explanation for what the pilots saw.

5. On July 24, 1998, the Soaring Eagle Express opened at the Elitch Gardens Theme & Water Park in Denver. At the time, it was the tallest and fastest roller coaster of its kind in the world. Today, the park continues to be a popular destination for families and thrill-seekers alike.