Affirmed was a famous American Thoroughbred racehorse known for his remarkable achievements in the late 1970s. Born in 1975, he gained prominence by winning the prestigious Triple Crown in 1978, which includes the Kentucky Derby, Preakness Stakes, and Belmont Stakes. His victory in these races made him one of the few horses to achieve this significant milestone in horse racing history. Trained by Laffit Pincay Jr., Affirmed was celebrated for his competitive spirit and stamina. He had a fierce rivalry with another champion horse, Alydar, which added excitement to their races. Affirmed's legacy continues to influence the world of horse racing today.