What are some well-known thoroughbred horses?

Some well-known thoroughbred horses include Secretariat, Man o' War, Native Dancer, Citation and Affirmed. Other well-known thoroughbred horses are Seabiscuit, Smarty Jones, Barbaro, War Admiral and John Henry.

Secretariat was one of the most dominating thoroughbreds in the sport of horse racing during the 1970s. The horse won the Triple Crown in 1973 with a record-setting win at the Belmont Stakes.

Seabiscuit, whose heyday was during the 1930s, is the subject of a 2003 film by the same name that was nominated for multiple Academy Awards. In 1939, Seabiscuit faced off against, War Admiral, earning victory in what was played up as the "Match of the Century."