Billie Jean King knew that she wanted to be the number one player in the world. But that wasn't her only epiphany that day. "I realized that everybody who played tennis wore white shoes and white clothes, played with white balls.
And everybody who played was white. And I asked myself, where is everybody else? So, that was my moment that I dedicate the rest of my life to fighting for equality for everyone.
Everything I've done will go back to that moment," she says.King went on to win 39 Grand Slam career titles and, in the process, she changed the sports world.
An estimated 50 million people around the world watched her defeat Bobby Riggs in 1973 at The Battle of the Sexes. It's hailed as a milestone in terms of the public's acceptance of.