Indian cavalry after their charge, Somme, France, First World War, 14 July 1916, (c1920). [Getty Images]

Indian cavalry after their charge, Somme, France, First World War, 14 July 1916, (c1920). Illustration from The Illustrated War Record of the Most Notable Episodes in the Great European War 1914-1918, seventh edition, (The Swarthmore Press Ltd, London, c1920). (Photo by The Print Collector/Print Collector/Getty Images)

Hulton Archive Print Collector