Herbert Jones (jockey) on 26 May, Jones rode Minoru to victory at odds of 7/2 in a field of fifteen. This was the first time a horse owned by a British reigning monarch had won the Derby. The victory for the "Royal" colt provoked "the wildest scenes of enthusiasm ever known in England", including a mass rendition of the National Anthem as the King led his horse to the winner's enclosure. In 1913, Jones rode Anmer, the King's Horse, in the Epsom Derby. He was involved in a collision with Emily Davison, the suffragette, who was fatally injured. Jones suffered significant injuries himself,
Epsom Derby a horse called Sir Peter Teazle. The starting point of the race was moved twice during the 19th century. The first move, suggested by Lord George Bentinck, was in 1848, and the second was in 1872. It was discovered in 1991 that the exact length of the race was one mile, four furlongs and 10 yards. Initially, the Derby was run on a Thursday in late May or early June, depending on when Easter occurred. In 1838 the race was moved to a Wednesday to fit in with the railways' timetables, but still followed the moveable feast of Easter. In