1. On June 9, 1925, a major wildfire broke out in the Medicine Bow National Forest and burned over 6400 acres of forest land. This disaster established the importance of proper forest management and fire prevention in Wyoming.

2. In 2001, on the same date of June 9, the deadliest weather-related incident in the history of Wyoming occurred. The storm resulted in 112 people dying due to tornadoes and flooding across the state.

3. On June 9, 1870, Wyoming Territory was officially created by an act of Congress, becoming the first territory where women had the right to vote. This helped to pave the way for women's suffrage in the United States.

4. The Wyoming Stock Growers Association was organized on June 9, 1873, in Cheyenne, Wyoming. This group played an important role in the development of Wyoming's livestock industry.

5. The first American Indian Day was celebrated on June 9, 1940, in South Dakota, with the purpose of education and cultural recognition of Native Americans. Today, many states including Wyoming still celebrate the day as a state holiday.