Churchill Downs to help him run the rack was Col. Matt Winn of Louisville. Churchill Downs prospered and the Kentucky Derby then became the preeminent stakes race for three-year-old thoroughbred horses in North America. During that early period, a new clubhouse was built in order to promote social interaction, and new events such as steeplechases, automobile races, and band concerts were held at the track. The State Fair was held on the grounds, featuring the odd spectacle of two locomotives being intentionally crashed head-on in the infield. On June 5, 1907, African American jockey James Lee set a record that has never
American Quarter Horse by a group of horsemen and ranchers from the southwestern United States dedicated to preserving the pedigrees of their ranch horses. The horse honored with the first registration number, P-1, was Wimpy, a descendant of the King Ranch foundation sire Old Sorrel. Other sires alive at the founding of the AQHA were given the earliest registration numbers Joe Reed P-3, Chief P-5, Oklahoma Star P-6, Cowboy P-12, and Waggoner's Rainy Day P-13. The Thoroughbred race horse Three Bars, alive in the early years of the AQHA, is recognized by the American Quarter Horse Hall of Fame as one of the