1. The First Fourth of July Celebration in Wyoming Took Place in 1867: The first official celebration of Independence Day in Wyoming was held on July 4, 1867, just one year after Wyoming became a territory.

2. Cheyenne is Known for its Frontier Days Celebration on July 4th: Since 1897, Cheyenne has hosted Frontier Days, a 10-day celebration that includes rodeos, parades, concerts, and other events. The highlight of the celebration is the famous Cheyenne Frontier Days Parade, which takes place on July 4th.

3. Devils Tower Became the First National Monument on July 4, 1906: On July 4, 1906, Devils Tower in northeastern Wyoming became the first national monument to be designated by the federal government. The 867-foot tower is a sacred site for many Native American tribes and is a popular hiking destination today.

4. Wyoming Was the First State to Grant Women the Right to Vote: In 1869, Wyoming became the first state in the United States to grant women the right to vote. This event took place more than 50 years before the passage of the 19th Amendment, which granted women's suffrage nationwide.

5. The Fossil Butte National Monument Was Established on July 4, 1972: Located in southwestern Wyoming, the Fossil Butte National Monument was established on July 4, 1972. The site is famous for its well-preserved fish fossils, which date back to the Eocene Period, around 50 million years ago.