1. In 1872, the Yellowstone National Park Appropriation Act was signed by President Ulysses S. Grant, officially designating Yellowstone as the first national park in the world. The park covers over 2.2 million acres, primarily in Wyoming.

2. On March 5, 1877, Crazy Horse of the Lakota Sioux surrendered to the U.S. Army at Camp Robinson in Nebraska, effectively ending the Great Sioux War of 1876-77. The war had significant impacts on the Wyoming territory, including the Battle of the Rosebud and the Battle of the Little Bighorn.

3. In 1903, the Wyoming State Legislature declared the state flower to be the Indian paintbrush, also known as Castilleja linariifolia. The vibrant red and orange flowers can be seen throughout the state in the spring and early summer.

4. On March 5, 1929, the Wyoming State Capitol building was officially dedicated. The building, which is located in Cheyenne, features a distinctive design that includes a central dome and wings that radiate out from the center.

5. Wyoming achieved statehood on July 10, 1890, but prior to that time it was a territory. On March 5, 1869, the first territorial legislature convened in Cheyenne to establish laws and governance for the territory. This marked an important step in Wyoming's path towards statehood.