American triple crown winners

JUSTIFY IS THE 13TH WINNER OF UNITED STATES RACING'S TRIPLE CROWN

Horses to wn the Kentucky Derby, Preakness Stakes and Belmont Stakes:

1919 - Sir Barton

1930 - Gallant Fox

1935 - Omaha

1937 - War Admiral

1941 - Whirlaway

1943 - Count Fleet

1946 - Assault

1948 - Citation

1973 - Secretariat

1977 - Seattle Slew

1978 - Affirmed

2015 - American Pharaoh

2018 - Justify