Maureen Connolly, American tennis player (died 1969)

Maureen Catherine Connolly-Brinker, known as "Little Mo", was an American tennis player, the winner of nine major singles titles in the early 1950s. In 1953, she became the first woman to win a Grand Slam. She is also the only player in history to win a title without losing a set at all four major championships. The following year, in July 1954, a horseback riding accident seriously injured her right leg and ended her competitive tennis career at age 19. She died of ovarian cancer at the age of 34.

September 17 is the 260th day of the year in the Gregorian calendar; 105 days remain until the end of the year.