1. In 1866, Wyoming Territory's first territorial legislature convened in Cheyenne. This legislative session set the foundation for Wyoming's government and laid the groundwork for the territory's eventual statehood.

2. In 1909, Wyoming's grandest hotel, the Plains Hotel, opened in Cheyenne. This historic hotel hosted many influential people throughout its history, including President Franklin D. Roosevelt and former President Harry S. Truman.

3. In 1923, the first Wyoming Winter Roundup was held in Douglas. This annual event features rodeo competitions, horse shows, and other western-themed activities and has become a popular tradition in Wyoming.

4. In 1959, Wyoming became the first state to allow women to serve on juries. This groundbreaking decision was a significant step towards gender equality and paved the way for similar reforms in other states.

5. In 2015, Vice President Joe Biden visited Cheyenne as part of a national tour to promote the Obama administration's transportation infrastructure plan. During his visit, Biden spoke at the Union Pacific Railroad Depot and praised Wyoming's commitment to developing new transportation technologies.