1. Gannett Peak, the highest point in Wyoming, was first climbed on May 27, 1922, by Arthur Tate and Floyd Stahlnaker. The peak stands at 13,805 feet and is located in the Wind River Range.

2. On May 27, 1870, the territorial legislature established the Wyoming Central Agricultural Society for the advancement of agriculture in the state. This organization eventually became the Wyoming State Fair, which still takes place annually.

3. In 1936, the first radio station in Wyoming, KTWO-AM, went on the air in Casper on May 27th. The station's call letters stand for "Casper Two" and it is still in operation today.

4. On May 27, 1889, Wyoming became the first state to allow women to vote, more than 20 years before the 19th Amendment granted suffrage to all American women.

5. The famous outlaw Butch Cassidy was born as Robert LeRoy Parker in Beaver, Utah, on April 13, 1866. However, on May 27, 1896, he and his fellow gang members robbed their first train in Tipton, Wyoming, marking the beginning of their infamous string of robberies throughout the West.