1. Wyoming became a state on October 28, 1890.

2. On October 28, 1886, the famous gunfight at the O.K. Corral occurred in Tombstone, Arizona. Although this event did not take place in Wyoming, it is a well-known piece of Western history that may have had an impact on life in Wyoming at the time.

3. In 1962, a magnitude 6.5 earthquake struck the Teton-Yellowstone area of Wyoming on October 28. This event caused significant damage to the area and is remembered as one of the strongest earthquakes in Wyoming history.

4. On October 28, 1867, a group of 14 cavalrymen led by Captain Powell were ambushed by Sioux and Cheyenne warriors in the Powder River region of Wyoming. The incident, which became known as the Fetterman Massacre, was a major setback for the U.S. Army in their fight against Native American tribes in the region.

5. In 1919, a solar eclipse occurred on October 28 that was visible in parts of Wyoming. This rare celestial event attracted thousands of visitors to the state, providing a significant boost to the local economy.