Formosa
... that in 1868, British racehorse Formosa became the first winner of the English Fillies Triple Crown?
... that in 1868, British racehorse <b id="mwEL4"><a href="./Formosa_(horse)" id="mwEL8" rel="mw:WikiLink" title="Formosa (horse)">Formosa</a></b> became the first winner of the <a href="./Triple_Crown_of_Thoroughbred_Racing#United_Kingdom" id="mwEMA" rel="mw:WikiLink" title="Triple Crown of Thoroughbred Racing">English Fillies Triple Crown</a>?