The sacrifice of the ten million men who lost their lives during the conflict, which endured from 1914 to 1918, is well known. Less well known is the price paid by the estimated eight million horses that perished in the Great War, a fact lamented by Private James Robert Johnston, a horse transport driver who served with the 14th Canadian Machine Gun Company, in his memoir, Riding into War: “Very little has been said about the horses and mules that were used and what they suffered is beyond all description.”