Women Rider Wins the Olympic Horse Trials -- H.M. Queen Elizabeth the Queen Mother presenting the Trophy to Miss Margaret (Hough) after the Victory Badminton.The British Horse Society's Olympic Horse Trails - Three Day Event - held at Badminton, Gloucester, country seat of ***** Duke of Beaufort, was won by Miss Margaret ***** were among the competitors.Queen Elizabeth the Queen Mother, presenting a trophy to Miss Margaret Hough at Badminton. Miss Hough won the trophy at the British Horse Society's Olympic Trials. April 23, 1954. (Photo by Sport & General Press Agency Limited).