1. On March 19, 1941, the Wyoming State Capitol Building was officially dedicated. The building is located in Cheyenne and was designed by renowned architect David W. Gibbs, who also designed several other important buildings in the state.

2. The Wagon Box Fight, a significant battle between a small group of soldiers and a large group of Native Americans, took place on March 19, 1867, near Fort Phil Kearny in northern Wyoming. The soldiers successfully defended their position, but several were killed or wounded in the battle.

3. In 1916, on March 19, the Wyoming State Board of Education voted to establish the University of Wyoming Cooperative Extension Service. This program provides resources and education to Wyoming residents in areas such as agriculture, parenting, and community development.

4. Wyoming's first newspaper, the Cheyenne Leader, was published for the first time on March 19, 1867. The newspaper played an important role in keeping residents of the newly-established city informed about local news and events.

5. On March 19, 1924, the town of Hulett, Wyoming was incorporated. Located in the northeastern part of the state, Hulett is known for its proximity to Devils Tower National Monument and is a popular destination for tourists visiting the area.