Sir Barton
The first horse to ever win the triple crown was Sir Barton. Sir Barton was born in 1916 at the breeding farm of Madden and Gooch in Kentucky.http://triple-crown-racing.suite101.com/article.cfm/sir_barton_won_first_triple_crown
Sir Barton Sir Barton became the first American Triple Crown winner in 1919, just about the time when it was becoming recognised as a series of races worth winning. He won the Kentucky Derby as a maiden (never winning a race before) and also won the Preakness just four days later. Then, he won another stakes race before winning the Belmont Stakes, which was at the distance of 1 3/8th miles then. He was amazing horse, though ran second to the brilliant 3year-old Man O'War the following year in a match race. Though, it is said he was suffering from hoof soreness at the time.
Yes. War Cloud was the first to compete in all three races. But, Sir Barton was the first to win all three.
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.