On June 23 1972
June 23, 1972: President Richard Nixon signs Title IX of the Education Amendments of 1972, which prohibits discrimination based on sex in education programs or activities that receive federal financial assistance. The landmark legislation leads to new opportunities for women and girls to participate in athletics.
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