Secretariat won the Triple Crown in 1973. The first horse to win the Triple Crown since 1948, he won the third leg, the Belmont Stakes. The horse raced several more times and then retired in November, 1973. Four other horses since then have won the Triple Crown:
- Seattle Slew in 1977
- Affirmed in 1978
- American Pharoah in 2015
- Justify in 2018.
Children can see a list of all the Triple Crown winners at: Triple Crown.