1. In 1873, Yellowstone National Park, located primarily in Wyoming, was established as the first national park in the world. It covers over 2.2 million acres and is home to diverse wildlife, geothermal features, and iconic landscapes such as the Old Faithful geyser.

2. In 1888, Robert LeRoy Parker, better known as Butch Cassidy, committed his first bank robbery in the town of Telluride, Colorado. Cassidy was a notorious outlaw who operated primarily in Wyoming, Utah, and Colorado, and was eventually killed by law enforcement in Bolivia.

3. In 1934, the University of Wyoming was the first college in the United States to feature a live animal mascot. A rodeo cowboy rode a steer named Steamboat at football games, inspiring the university to adopt the nickname "Cowboys."

4. In 1949, Wyoming became the first state in the country to elect a woman governor, Nellie Tayloe Ross. She served two terms and was a strong advocate for women's suffrage and public welfare.

5. In 1997, a severe blizzard hit Wyoming, causing widespread damage and power outages. The storm, known as the "Storm of the Century," dropped over 30 inches of snow, created 70 mile-per-hour winds, and resulted in several fatalities. It remains one of the most destructive weather events in state history.