Before Europeans settle down in Colorado, Native American tribes inhabited the state. Apache, who falls under these American tribes, who inhabited eastern plains in 18th century. Later, they migrated towards Arizona, Texas and New Mexico. However, they relocated to Colordao in 1860s. In addition to that, a number of valleys were inhabited by the Shoshoni. The Yampa River Valley, which is located in the Northern part of the state, was also inhabited by them till late 19th century.

The very first Europeans to arrive in Colorado were French, Spanish and American fur traders, explorers and trappers. By the year 1858, gold was discovered in Colorado. When this news reached the East, huge number of settlers arrived to Colorado in the year 1859. And then, Colorado was organized as a United States territory on 28th February, 1861. Colorado was announced as 38th state of the US on 1876.

In 1976, Denver won the Winter Olympics award. But, Colorado prohibited to use public funds to support the games. So, the games were relocated to Innsbruck, Austria.