1. Wyoming's First Leap Year: February 29, 1892 marked Wyoming's first official leap year. The state had been admitted to the Union on July 10, 1890, which effectively made 1892 its first year on the calendar.

2. Ski Competition: On February 29, 1936, Laramie hosted the first annual national intercollegiate skiing tournament. The event was held for three days and featured events such as cross-country skiing, slalom, and ski jumping.

3. Women's Suffrage: Wyoming was the first state to grant women the right to vote in 1869, and February 29, 1920 was a significant day in Wyoming's suffrage movement. It marked the 50th anniversary of Wyoming's suffrage law, which paved the way for other states to grant women the right to vote.

4. Firefighters' Association: On February 29, 1908, the Wyoming State Firefighters' Association was founded in Casper. The group was formed to promote fire safety and provide support to firefighters across the state.

5. Snow Record: Wyoming holds the record for the most snowfall in one day in the United States, and February 29 was the day it happened. On that day in 1928, the town of Moran received a staggering 75 inches of snow, which still stands as the national record.