Aug. 3, 1971 - The yearling Secretariat was shod on his front feet for the first time and transferred to the Meadow training center for breaking.

Aug. 3, 1989 - Jockey Jorge Velasquez notched his 6,000th career victory aboard 3-year-old filly Maddie Bumpo in the third race at Arlington International Racecourse.

Aug. 3, 2000 - Fred W. Hooper, who won the 1945 Kentucky Derby with the first horse he ever owned and went on to develop one of Florida's leading racing and breeding operations, died in his sleep in Miami, at the age of 102.

Aug. 4, 1973 - In his first race against older horses, 1-10 favorite Secretariat was defeated in the Whitney Stakes at Saratoga by Allen Jerkens' 4-year-old trainee Onion, who beat him by a length. Secretariat was subsequently found to be suffering from a virus.

Aug. 5, 1988 - Trainer Dale Baird won his 5,000th career race with Stuffed Johnnie at Mountaineer Park, becoming the second trainer in history, behind Jack Van Berg, to reach that mark.

Aug. 6, 1951 - The National Museum of Racing opened in Congress Park at Saratoga Springs, N.Y. More than 2,000 people attended the opening ceremonies presided over by C.V. Whitney.

Aug. 7, 1900 - Trainer "Sunny Jim" Fitzsimmons had his first stakes winner, Agnes D., at Brighton Beach.

Aug. 7, 1988 - Jockey Eddie Delahoussaye won his 4,000th race aboard a 2-year-old filly named Fawn and Hahn in the fourth race at Del Mar.

Aug. 8, 1970 - Jockey Bill Shoemaker won his 6,000th career victory, aboard Shining Count at Del Mar.

Aug. 8, 1987 - Kent Desormeaux set the record for most stakes wins by an apprentice jockey, 13, aboard King's Snow in the Primer Stakes at Pimlico. The previous record, 10, was held by Steve Cauthen.

August 9, 1999 - Trainer D. Wayne Lukas, jockey Russell Baze, and horses Miesque, Exceller and Gun Bow were inducted into the National Museum of Racing and Hall of Fame in Saratoga Springs, N.Y.