20 September 1973 September 19, 2014 Author: Staff Billie Jean King beats Bobby Riggs in the Battle of the Sexes tennis match. Famous Words of Inspiration..."It doesn't matter how many people I've killed. What matters is how I get along with the people who are still alive." Bruce Willis — Click here for more from Bruce Willis Related posts: 20 September 480BC 6 October 1973 20 October 1973 17 November 1973 14 May 1973 21 July 1973 20 October 1973 24 October 1973 16 January 1973 24 March 1973 Categories: History Tags: 1973, 20 September