AP Sportlight

May 8

1915 - Regret, ridden by Joe Notter, becomes the first filly to win the Kentucky Derby, with a 2-length wire-to-wire victory over Pebbles.

1937 - War Admiral, the favorite ridden by Charles Kurtsinger, wins the Kentucky Derby by 1 3/4 lengths over Pompoon.

1943 - Count Fleet, ridden ...