20th September 1973: Billie Jean King defeats Bobby Riggs in the 'Battle of the Sexes' tennis match

Battle of the Sexes (tennis) - Wikipedia

Billie Jean King and the Battle of the Sexes

September 20, 1973: Billie Jean King Defeated Bobby Riggs in the “Battle of the Sexes” Tennis Match - Lifetime

The Battle of the Sexes' Turns 40: A Look Back at TIME's Coverage

The Battle of the Sexes was a spectacle—and a match, too: How Billie Jean King beat Bobby Riggs

Battle of the Sexes': Photographing Billie Jean King vs. Bobby Riggs - Sports Illustrated

How to Win the Battle of the Sexes Over Pay (Hint: It Isn't Simple.) - The New York Times

Billie Jean King, who won the $100,000 “Battle of the Sexes” tennis match from Bobby Riggs, as she towels down during her tournament quarterfinals match with Robin Tinney at the Houston Virginia

Battle of the Sexes: 50 years on from Billie Jean King's landmark victory

Beyond “Battle of the Sexes”: 16 Other Times Female Athletes Crushed the Competition – Mother Jones