1. In 1976, the United States Supreme Court ruled in the case of "Buckley v. Valeo," which upheld the constitutionality of limits on campaign contributions. The case began when Colorado Senator James L. Buckley challenged the constitutionality of the Federal Election Campaign Act of 1971.

2. In 1858, a group of prospectors led by William Greeneberry "Green" Russell discovered gold in the area that would later become known as the city of Denver. The discovery sparked the Pike's Peak Gold Rush, which brought thousands of people to Colorado in search of wealth.

3. On August 23, 1839, Charles Bent, the first governor of the newly-formed Territory of New Mexico, was murdered by Native American rebels in what is now present-day Taos, New Mexico. Bent had played a key role in securing the independence of the region from Mexico and establishing formal relations with the United States.

4. In 1919, the Colorado State Fair opened its gates for the first time in Pueblo. Originally known as the Southern Colorado State Fair, the event has since grown into one of the largest and most popular agricultural fairs in the country.

5. On August 23, 1927, a group of Colorado National Guard troops was dispatched to Raton Pass to quell a miners' strike that had turned violent. The troops clashed with striking miners, resulting in several deaths and injuries on both sides. The incident was part of a broader wave of labor unrest that swept across the western United States in the early 20th century.