SZT2985620: German troops traverse marshland, 1914 (b/w photo) / Bridgeman Images

SZT2985701: Protection force in German South-West Africa in World War I (b/w photo) / Bridgeman Images

SZT2985735: Outbreak of war in German East Africa in World War I, 1914 (b/w photo) / Bridgeman Images

SZT2985768: Delivery of war donations, 1914 (b/w photo) / Bridgeman Images

SZT2985780: German auxiliary troop in Gent, 1917 (b/w photo) / Bridgeman Images

SZT2985786: Female ticket inspectors, 1915 (b/w photo) / Bridgeman Images

SZT2985810: Woman gilding, 1915 (b/w photo) / Bridgeman Images

SZT2985819: Mail delivery, 1918 (b/w photo) / Bridgeman Images

SZT2985828: German men at a paramilitary exercise, 1914 (b/w photo) / Bridgeman Images

SZT2985837: Burial of the bomb attack victims in Karlsruhe, 1918 (b/w photo) / Bridgeman Images

SZT2985849: Austrian-Hungarian field printer's train, 1918 (b/w photo) / Bridgeman Images

SZT2979019: Flag parade on Heroes Memorial Day in Berlin, 1936 (b/w photo) / Bridgeman Images

SZT2979022: Soldiers with gas masks on a MG, 1930 (b/w photo) / Bridgeman Images

SZT2979031: Mountain infantry cross-country skiing (b/w photo) / Bridgeman Images

SZT2979043: Manoeuvre of the mountain infantry in Mittenwald, 1937 (b/w photo) / Bridgeman Images

SZT2979091: Recruits leave their barracks, 1940 (b/w photo) / Bridgeman Images

SZT2979133: Tribute to war horses in Berlin, 1936 (b/w photo) / Bridgeman Images

SZT2979157: Recruits of the Wehrmacht learn military shoe cleaning in Berlin-Spandau, 1935 (b/w photo) / Bridgeman Images

SZT2979169: Cavalry of the Wehrmacht, 1936 (b/w photo) / Bridgeman Images

SZT2979187: Trooper of the Wehrmacht with horses, 1936 (b/w photo) / Bridgeman Images

SZT2979193: Soldier with his horse, 1930s (b/w photo) / Bridgeman Images

SZT2979199: Trooper of the Wehrmacht cleaning his horse in the 30s (b/w photo) / Bridgeman Images

SZT2979241: Anti-aircraft machine gun of the Wehrmacht during an exercise, 1935 (b/w photo) / Bridgeman Images

SZT2979247: Heavy machine gun during a maneuver of the Reichswehr, 1930 (b/w photo) / Bridgeman Images

SZT2979253: Wehrmacht soldiers talking to a girl, 1937 (b/w photo) / Bridgeman Images

SZT2979259: Soldiers and girls at a maneuver ball, 1935 (b/w photo) / Bridgeman Images

SZT2979268: Military music (b/w photo) / Bridgeman Images

SZT2979277: Recruit is being dressed up, 1938 (b/w photo) / Bridgeman Images

SZT2976346: Commemorative plaque consecration for Adolf Hitler in the sanitarium Beelitz (b/w photo) / Bridgeman Images

SZT2976400: Adolf Hitler with Wehrmacht officers in Poland, 1939 (b/w photo) / Bridgeman Images

SZT2976427: Wilhelm Burgdorf, 1945 (b/w photo) / Bridgeman Images

SZT2976445: Adolf Hitler with Alfred Jodl and Wilhelm Keitel, 1940 (b/w photo) / Bridgeman Images

SZT2976454: Adolf Hitler with Konstantin Hierl, 1942 (b/w photo) / Bridgeman Images

SZT2976484: Adolf Hitler waits for a parade, 1935 (b/w photo) / Bridgeman Images

SZT2976559: Adolf Hitler visits Leipzig, 1932 (b/w photo) / Bridgeman Images

SZT2985951: Interned sailors on Gotland, 1915 (b/w photo) / Bridgeman Images