Title IX gave women more opportunities in higher education and, most notably, high school and collegiate athletics. As the 40th anniversary of the legislation's passing approaches on June 23, take a look at the top female athletes of all time.
2. Martina Navratilova. Billie Jean King calls Navratilova "the greatest singles, doubles and mixed doubles player who's ever lived." In 30-plus years of professional tennis, Navratilova amassed more singles titles (167) and doubles titles (177) than any woman or man in the Open Era.