Flying Childers was a famous undefeated 18th century Thoroughbred racehorse, foaled in 1714 at Carr House, Warmsworth, Doncaster, and is often cited as the first truly great racehorse in the history of Thoroughbreds. ==Breeding== Flying Childers was sired by the great Darley Arabian, one of the three foundation stallions of the Thoroughbred breed....