June 21, 1924: Virginia-owned Exterminator, winner of the 1918 Kentucky Derby, concluded his seven-year racing career. Exterminator raced until he was nine, winning 50 of his 100 starts. He seldom carried less than 130 pounds in handicap races. Like other geldings Kelso, Forego, and John Henry, Exterminator improved with age, enjoying his greatest success when he was seven.
June 21, 1947: Assault won the Brooklyn Handicap and dethroned Whirlaway as the then money-winning champion of the world. The victory boosted his earnings to $576,670.
June 21, 1975: S. Kaye Bell became the first woman to train the winner of a $100,000 stakes race when she sent Mr. Lucky Phoenix to win the Michigan Mile and One-Eighth Handicap at Detroit Racecourse.
June 22, 1935: Seabiscuit won his first race, at Narragansett Park.
June 23, 2002: Hall of Fame Jockey Chris McCarron ended his 28-year riding caring after piloting Came Home to an easy win in the Grade III Affirmed Handicap at Hollywood Park. McCarron finished his career with 7,141 victories and his horses earned purses of $264,351,579.
June 24, 1952: Jockey Eddie Arcaro rode his 3,000th career winner at Arlington Park. He was the first American-born rider to reach that mark.
June 24, 1972: In the fastest workout of the day for six furlongs, Virginia-bred Secretariat went the distance in 1:12 4/5 at Belmont over a sloppy track. He would make his debut 10 days later, in a July 4 race for maiden runners at Aqueduct.
June 24, 1973: Charlie Whittingham swept the top three spots in the Hollywood Gold Cup Invitational Handicap when his trainees Kennedy Road, Quack and Cougar II finished first, second and third, respectively.
June 24, 1977: Alydar, at odds of 2.10-1, broke his maiden by 6 3/4 lengths at Belmont Park.
June 24, 1979: Affirmed, ridden by Laffit Pincay Jr., became the first horse to top $2 million in earnings after he won the Hollywood Gold Cup.
June 24, 1990: Criminal Type became the first horse to win consecutive $1 million races after capturing the Hollywood Gold Cup. He had previously won the $1 million Pimlico Special on May 12.
June 26, 1938: Nearco ended his career a perfect 14-for-14 by winning the Grand Prix de Paris at Longchamp.
June 26, 1994: Jockey Chris McCarron rode his 6,000th career winner, Andestine, in the Milady Handicap at Hollywood Park. He was the 11th rider to reach 6,000 and the third-youngest, behind Bill Shoemaker and Laffit Pincay Jr.
June 26, 2000: Hall of Fame trainer Lucien Laurin, conditioner of 1973 Triple Crown winner Secretariat, died at the age of 88.