1. In 1865, the first Wyoming governor, John A. Campbell, was inaugurated on October 22. He played a significant role in shaping Wyoming's territorial government and establishing its statehood.

2. On October 22, 1872, Yellowstone National Park was established as the world's first national park. The park spans across Wyoming, Montana, and Idaho and is known for its geysers, hot springs, wildlife, and vast wilderness.

3. In 1929, the Cheyenne Municipal Airport was dedicated on October 22. Today, it is known as Cheyenne Regional Airport and serves as the primary commercial airport for southeastern Wyoming.

4. The historic Occidental Hotel in Buffalo, Wyoming, opened its doors on October 22, 1880. The hotel played a significant role in the state's history, serving as a popular gathering place for cowboys, cattle barons, and other notable figures.

5. On October 22, 1969, the Wyoming State Capitol building was added to the National Register of Historic Places. The building serves as the seat of government for the State of Wyoming and is known for its unique and impressive architecture, including the golden dome that crowns the building's top.