Feb. 22 1919 The first dog race track to use an imitation rabbit opens in Emeryville, Calif. 1936 Figure skater Sonja Henie wins her 10th straight world championship.
Feb. 22 1919 The first dog race track to use an imitation rabbit opens in Emeryville, Calif. 1936 Figure skater Sonja Henie wins her 10th straight world championship.
Barbara Jo Rubin becomes first female jockey to win race at US thoroughbred track history.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from history.com Daily Mail and Mail on Sunday newspapers.