On May 19 1985
May 19, 1985: The College of New Jersey (then known as Trenton State College) wins the first Division III Women’s Lacrosse Championship, claiming the first of its 12 titles between 1985 and 2006.
Sources:
Sources: “In the Arena: The NCAA’s First Century” by Joseph N. Crowley, NCAA News and Champion magazine archives, the NCAA Media Center, and NCAA record books