EntityQ3961979· pop 6· linked from 497 articlesSir BartonSign in to saveThoroughbred race horse; winner of U.S. Triple Crown of Thoroughbred Racing in 1919ConnectionsMan o' WarEntityTriple Crown of Thoroughbred RacingEntityThe Blood-HorseEntityCOVID-19 pandemicEntityBaltimoreEntityLexingtonEntitysepsisEntityhorse racingEntityWindsorEntityEdmund BartonEntityThoroughbredEntityLaurelEntityDouglasEntityworld recordEntityinbreedingEntitystallionEntitymareEntityFront RoyalEntityBerryvilleEntitySecretariatEntityCategories1916 racehorse births1937 racehorse deathsAmerican Champion racehorsesAmerican Thoroughbred Horse of the YearBelmont Stakes winnersCanadian Horse Racing Hall of Fame inducteesHorse monumentsHorse racing track record settersKentucky Derby winnersPreakness Stakes winnersRacehorses bred in KentuckyRacehorses trained in the United States