1. In 1866, the Wyoming Stock Growers Association was formed. This organization played a significant role in the development of the Wyoming cattle industry, which grew rapidly in the late 1800s.

2. In 1890, Wyoming became the 44th state to join the United States. It was the first state to grant women the right to vote, a decision that had a significant impact on the suffrage movement in the United States.

3. In 1949, the University of Wyoming defeated the University of Nebraska 20-17 in a historic football game. This was the first time Wyoming had ever beaten Nebraska, and it remains one of the most memorable victories in the university's football history.

4. In 1978, the Teton Dam in eastern Idaho failed, causing a massive flood that impacted several Wyoming communities. The flood resulted in the deaths of 11 people and caused millions of dollars in damage.

5. In 1993, an F2 tornado touched down in the town of Torrington, Wyoming, causing significant damage to several buildings. Fortunately, no one was killed in the tornado, but it was a stark reminder of the power of Wyoming's weather.