776 B.C.: The first Olympics – no women allowed.
Late 19th Century: Horseback riding, archery, golf, tennis, skiing and skating were being enjoyed among women in the upper social class.
1900: Women compete in the Paris Olympics in golf, tennis and croquet.
1924: Figure skating is the only sport open to women at the first Winter Olympic Games.
1926: Gertrude Ederle becomes the first woman to swim the English Channel.
1943: The All American Girls Professional Baseball League was formed.
1948: The Ladies’ Professional Golf Association is founded.
1952: Women and men compete together in Olympic equestrian events.
1970: WTA tennis was created by Billie Jean King and others.
1973: Fifty million television viewers watch Billie Jean King defeat Bobby Riggs in the ‘Battle of the Sexes’ tennis match.
1987: Jackie Joyner-Kersee is the first woman athlete on the cover of Sports Illustrated.
2008: Danica Patrick becomes the first woman to win an IndyCar race.
2015: The best paid male athlete, Floyd Mayweather, earns 300 millions dollars – the best paid female, Maria Sharapova, 29.7 millions dollars.