1. In 1911, the historic Sheridan Inn in Sheridan, Wyoming, opened its doors to the public. The inn was built by local businessman William F. (Buffalo Bill) Cody and was a popular stop for travelers heading west.

2. On June 28, 1928, Fort Laramie National Monument was established, preserving one of the most important and best-known forts on the northern plains. The historic site was originally founded in 1834 as a trading post and became a military installation in 1849.

3. In 1956, the world's largest mineral hot springs, located in Thermopolis, Wyoming, were officially dedicated. The site, which includes both the Hot Springs State Park and the Wyoming Dinosaur Center, is a popular destination for tourists and geologists alike.

4. On June 28, 1967, Wyoming became the last state in the United States to allow women to serve on a jury. Previously, only men were allowed to serve as jurors in the state.

5. In 2002, a group of scientists announced the discovery of a new species of dinosaur in the Big Horn Mountains of Wyoming. Dubbed "Bighornia rex," the dinosaur was a type of theropod and was estimated to have lived around 70 million years ago.