'Map illustrating the German Retirement after the Battle of the Somme', (c1920). The First World War Battle of the Somme, fought between the armies of the British Empire and French Third Republic against the German Empire, took place between 1 July and 18 November 1916 on both sides of the River Somme in northern France. Showing the British and French lines, 'Approximate winter line before [Field Marshal von] Hindenburg's withdrawal', railways and canals. From "The Great World War: A History", Volume VII, edited by Frank A Mumby. [The Gresham Publishing Company Ltd, London, c1920]