Which Racehorse was the daughter of the American Thoroughbred was the unofficial 1920 American Horse of the Year, considered one of the greatest racehorses of all time?
Bateau (horse) Bateau (born 1925) was an American Thoroughbred Champion racehorse and a daughter of Man o' War and out of the French mare Escuina.
Quill (horse) Quill (foaled 1956 in Kentucky) was an American Thoroughbred racehorse who was the 1958 Champion Two-Year-Old Filly in the United States. After her retirement from racing she became a successful broodmare. Among her foals was Caucasus who won the Irish St Leger and several major turf races in North America.