1. In 1850, a group of prospectors discovered gold in the area that would later become Central City. The discovery sparked a gold rush to the region and helped to establish Central City as a hub for mining activity in Colorado.

2. In 1873, the Colorado State Capitol building was completed in Denver. The building, which features a distinctive gold dome, is one of the most recognizable landmarks in the state and serves as the seat of government for Colorado.

3. In 1946, the first television station in Colorado, KOA-TV (now KCNC-TV), began broadcasting in Denver. The station was part of the early wave of television broadcasting in the United States and helped to popularize the medium in Colorado.

4. In 1963, the University of Colorado Boulder hosted the first annual Conference on World Affairs. The conference, which draws speakers and attendees from around the world, has since become one of the university's most well-known traditions.

5. In 1996, the Colorado Rockies played their final game at Mile High Stadium before moving to Coors Field the following season. The Rockies had played at Mile High Stadium since their inaugural season in 1993, but the stadium's lack of baseball-specific features and its massive seating capacity made it an unpopular venue among many fans.