sentences:  Based at the Chantilly Racecourse in France, Maurice Zilber conditioned horses for some of the leading owners such as Serge Fradkoff, Daniel Wildenstein, Nelson Bunker Hunt and in later years, Prince Khalid Abdullah.His horses competed across Europe and in 1976 he accomplished the rare feat of training the winner of both the English Derby and the French Derby.Maurice Zilber also regularly brought horses to North America to compete in major grass races such as the Canadian International Championship Stakes at Woodbine Racetrack in Canada and the Washington, D.C. International Stakes at Laurel Park Racecourse in the United States.