1. On May 14, 1869, the final spikes were driven into the transcontinental railroad at Promontory Summit, Utah, marking the completion of the first transcontinental railroad in the United States. Wyoming played a significant role in the completion of the railroad, as it was the location of several key railroad hubs.

2. On May 14, 1890, Wyoming became the 44th state to join the Union. It was the first state to grant women the right to vote, and remains one of only two states with a unicameral legislature.

3. On May 14, 1927, Charles Lindbergh landed his plane, the Spirit of St. Louis, in Cheyenne, Wyoming as part of his tour of the United States following his historic solo flight across the Atlantic Ocean.

4. On May 14, 1947, the first post-World War II rodeo was held in Cheyenne, Wyoming. The rodeo was a significant event for the cowboy culture of Wyoming, and continues to be a popular annual event.

5. On May 14, 2013, a wildfire broke out near Cody, Wyoming, burning over 3,000 acres of land and destroying several homes. The fire was eventually contained, but the incident highlighted the risk of wildfires in the dry and arid climate of Wyoming.