SZT2985695: Declaration of war against England in German South-West Africa, 1914 (b/w photo) / Bridgeman Images

SZT2985713: German protection force in German East Africa in World War I (b/w photo) / Bridgeman Images

SZT2985709: Transport of troops in German South-West Africa, 1915 (b/w photo) / Bridgeman Images

SZT2985716: Askaris in German East Africa in the First World War, 1914 (b/w photo) / Bridgeman Images

SZT2985782: Soldier training in Berlin, 1916 (b/w photo) / Bridgeman Images

SZT2985728: German protection force in German East Africa in World War I, 1916 (b/w photo) / Bridgeman Images

SZT2985741: Fighting in German East Africa in World War I, November 1914 (b/w photo) / Bridgeman Images

SZT2985747: Military hospital in Berlin, Schönefeld, 1915 (b/w photo) / Bridgeman Images

SZT2985753: Wounded German soldiers at the western front, 1918 (b/w photo) / Bridgeman Images

SZT2985774: Children reading a telegram, 1914 (b/w photo) / Bridgeman Images

SZT2985783: End of the work day, 1933 (b/w photo) / Bridgeman Images

SZT2985801: Cooking class, 1914 (b/w photo) / Bridgeman Images

SZT2985253: BDM girl in Warthegau, 1940 (b/w photo) / Bridgeman Images

SZT2985347: German artillery on the march in the Netherlands, 1940 (b/w photo) / Bridgeman Images

SZT2985271: Friedrich Wilhelm Murnau during the shooting of the 'Four Devils', 1927/28 (b/w photo) / Bridgeman Images

SZT2985447: German Submarine during voyage, 1915 (b/w photo) / Bridgeman Images

SZT2985409: Frenchman in a pedal car, 1941 (b/w photo) / Bridgeman Images

SZT2985477: Movie scene from "Cruiser Emden", 1932 (b/w photo) / Bridgeman Images

SZT2985506: Explosion of HMS Queen Mary, 1916 (b/w photo) / Bridgeman Images

SZT2985436: Members of the RAD on the English Channel Islands (b/w photo) / Bridgeman Images

SZT2985530: First World War: German High Seas Fleet waiting in their home bases (b/w photo) / Bridgeman Images

SZT2985469: Movie scene from "Cruiser Emden", 1932 (b/w photo) / Bridgeman Images

SZT2985496: SMS Derfflinger, 1916 (b/w photo) / Bridgeman Images

SZT2985502: SMS Frauenlob, 1916 (b/w photo) / Bridgeman Images

SZT2985517: Damaged deck of the SMS Derfflinger, 1916 (b/w photo) / Bridgeman Images

SZT2985537: Austrian flak emplacement, 1918 (b/w photo) / Bridgeman Images

SZT2985540: German Fokker triplanes in World War I (b/w photo) / Bridgeman Images

SZT2985588: German balloon observer ready for take off, 1918 (b/w photo) / Bridgeman Images

SZT2985606: German Landsturm patrol in East Prussia, 1914 (b/w photo) / Bridgeman Images

SZT2985630: German troops march into an East Prussian village, 1914 (b/w photo) / Bridgeman Images

SZT2985645: German bicycle infantry patrol in Masuria, 1914 (b/w photo) / Bridgeman Images

SZT2985541: Russian letter to the German fighters, 1917 (b/w photo) / Bridgeman Images

SZT2985669: German soldiers in the Mora emplacement in the First World War (b/w photo) / Bridgeman Images

SZT2985551: German seaplane, 1916 (b/w photo) / Bridgeman Images

SZT2985554: Austro-Hungarian balloon observer, 1915 (b/w photo) / Bridgeman Images

SZT2985572: Memorial plaque for British airman Lt. Reginald Warneford (b/w photo) / Bridgeman Images