Public Lands Day is a state observance in Colorado, celebrated on the third Saturday of May. It recognizes the importance of public lands in the state. (https://www.timeanddate.com/holidays/us/public-lands-day)

Armed Forces Day is observed annually on the third Saturday of May to honor men and women who serve in the U.S. military. (https://www.timeanddate.com/holidays/us/armed-forces-day)

The Preakness Stakes is an annual Thoroughbred horse race held at Pimlico Race Course in Baltimore, Maryland. It is the second event in the Triple Crown series. (https://www.timeanddate.com/holidays/us/preakness-stakes)