No, Northern Dancer didn't win the Triple Crown.
After winning the Derby and Preakness, he came up short in the Belmont, finishing third.
Not the US Triple Crown. But he did win the UK Triple Crown.
No the last triple crown winner was Affirmed 1978
No woman has won the Triple Crown as a jockey.
No, Seabiscuit never raced in any of the Triple crown races.
1978
In 1948
1973.
Dale Murphy never won the Triple Crown.
1978
2009
In 1948.
1866.