1969 Event Diane Crump becomes 1st woman jockey at a major U.S. racetrack (Hialeah) 1947 Birthday Earlie Fires, jockey, Hialeah Park 1936 Event 1st photo finish camera installed at Hialeah Race track in Hialeah Fla 1932 Event 1st totalisator (to record racetrack bets) in U.S. installed, Hialeah
