1. On December 4, 1869, Wyoming Territory was established. It was the first state or territory in the United States to grant women the right to vote, making it a significant moment in women's suffrage history.

2. In 1886, the infamous outlaw Butch Cassidy was born in Beaver, Utah. Throughout his criminal career, Cassidy and his gang frequently operated in Wyoming and Montana, making him a notable figure in the state's history.

3. The Wyoming State Capitol, located in Cheyenne, was dedicated on December 4, 1917. The building, which cost over $1 million to construct, is known for its impressive dome and grand interior.

4. On December 4, 1983, Wyoming football player Ryan Yarborough became the first freshman to win the award for the Western Athletic Conference's Offensive Player of the Year. Yarborough went on to have an impressive career, setting numerous records for the University of Wyoming.

5. In 2008, the "Wyoming Doctrine" was established by the Wyoming Supreme Court. This doctrine, which is unique to Wyoming, allows landowners to seek compensation if their property value is negatively impacted by government regulations. The Wyoming Doctrine has been cited in cases across the country and has become a significant legal precedent.