Sample entries include: 1950: Three African-American athletes become the first to play in the National Basketball Association - Chuck Cooper for the Boston Celtics, Nat Sweetwater Clifton for the New York Knicks, and Earl Big Cat Lloyd for the Washington Capitols. 1954: Babe Didrikson Zaharias, often called the greatest female athlete, wins the U.S. Women's Open in golf at the Salem Country Club by a phemenal 12 strokes, after returning from a battle with cancer and surgery earlier that year. 1953: Eighteen-year-old Maureen Connelly ( Little Mo ) sweeps the Australian Open, the French Open, Wimbeldon, and the U.S. Open to become the first female tennis player - and only the second person - to win a Grand Slam. 1957: Jim Brown bursts onto the scene, leading the NFL with 942 rushing yards and being named the league's most valuable player by the Associated Press. 1959: The Little League World Series is played for the first time, 20 years after the league was founded.