Mon 10 Oct 2000Wonder horse Sinndar gallops into history with stunning Arc victorySinndar yesterday became the first Irish-trained horse in 22 years to win France's greatest race, the Prix de l'Arc de Triomphe at Longchamp.Sinndar's victory was the highlight of a spectacular day for his rider, John Murtagh, who won three Group 1 races. But it was the Arc success which had the Irish flags flying around France's most famous racecourse.