1. In 1868, the Colorado Territorial Legislature passed a law that allowed women to vote in school elections. This made Colorado the first state or territory in the U.S. to grant suffrage to women.

2. In 1892, the first Denver General Hospital opened on February 24. It was later named the Denver Health Medical Center and is still in operation today.

3. On February 24, 1914, the Colorado Fuel and Iron Company in Ludlow, Colorado, hired the Baldwin-Felts Detective Agency to evict striking miners from their company-owned homes. The ensuing conflict, known as the Ludlow Massacre, resulted in the deaths of over 20 people, including women and children.

4. In 2003, Colorado Avalanche forward Peter Forsberg scored five goals in one game against the Nashville Predators on February 24. He became the 18th player in NHL history to achieve this feat.

5. On February 24, 2019, NASA astronaut and Colorado native Drew Feustel set a new record for the most time spent in space by an American astronaut on a single mission. He spent a total of 197 days aboard the International Space Station.