“The United States Congress has designated March 25th of each year as National Medal of Honor Day, a day dedicated to Medal of Honor recipients. The date of March 25th was chosen to highlight this special day because it was on March 25, 1863, that the first Medals of Honor were presented.”
https://homeofheroes.com/national-medal-of-honor-day/
Learn more:
https://mohmuseum.org/momentofhonor/