SZT2986097: Tip of an Italian shell, 1917 (b/w photo) / Bridgeman Images

SZT2985904: French aircraft bombs, 1916 (b/w photo) / Bridgeman Images

SZT2985916: English prisoners of war at work (b/w photo) / Bridgeman Images

SZT2985925: English prisoners of war in Döberitz, 1915 (b/w photo) / Bridgeman Images

SZT2985934: Interrogating an Italian prisoner of war, 1915 (b/w photo) / Bridgeman Images

SZT2985949: Austrian prisoners of war in Russia (b/w photo) / Bridgeman Images

SZT2985955: Interned sailors in Gotland, 1915 (b/w photo) / Bridgeman Images

SZT2985979: British tank 'Lotte' on the Western Front of the First World War (b/w photo) / Bridgeman Images

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

SZT2985960: Belgian woman with a gun, 1914 (b/w photo) / Bridgeman Images

SZT2986069: French army camp in Greece, 1916 (b/w photo) / Bridgeman Images

SZT2985966: Torpedo boat Muavenet arrives at a harbour, 1915 (b/w photo) / Bridgeman Images

SZT2986111: Panorama of the Tolmin bridgehead, 1917 (b/w photo) / Bridgeman Images

SZT2985996: Military records archive in Berlin during the First World War (b/w photo) / Bridgeman Images

SZT2986029: Aerial shot of the fortress of Dünamünde (Daugavgriva) (b/w photo) / Bridgeman Images

SZT2986047: Unloading of French fighter planes in Salonika, 1915 (b/w photo) / Bridgeman Images

SZT2986147: Austrian soldiers in front of a cannon, 1914 (b/w photo) / Bridgeman Images

SZT2986723: Oktoberfest on the Olympus, 1891 (b/w photo) / Bridgeman Images

SZT2986471: Underground railroad in London, mid 19th century (b/w photo) / Bridgeman Images

SZT2986741: Adolf Hitler as a guest at Winifred Wagner, 1937 (b/w photo) / Bridgeman Images

SZT2984880: Securing a railway line on the Eastern front during World War II (b/w photo) / Bridgeman Images

SZT2984705: View from Konstanz minster on Konstanz, 1932 (b/w photo) / Bridgeman Images

SZT2984714: Landscape at Lake Constance, 1913 (b/w photo) / Bridgeman Images

SZT2984741: Bad Saeckingen, 1942 (b/w photo) / Bridgeman Images

SZT2984964: Franz von Lenbach (b/w photo) / Bridgeman Images

SZT2985028: Andrew W. Mellon and governor Fischer at a convention of the Republicans in Pennsylvania, 1928 (b/w photo) / Bridgeman Images

SZT2985034: Ambassador of the United States Andrew W. Mellon, 1929 (b/w photo) / Bridgeman Images

SZT2985050: German tanks on the Eastern Front, 1943 (b/w photo) / Bridgeman Images

SZT2985114: German guards, 1942 (b/w photo) / Bridgeman Images

SZT2985100: Advancing German troops in the summer of 1941 (b/w photo) / Bridgeman Images

SZT2985153: Colonel General von Moltke, 1914 (b/w photo) / Bridgeman Images

SZT2985124: Winter campaign, 1941-1942 (b/w photo) / Bridgeman Images

SZT2985168: Soldiers of a German artillery unit on the Eastern Front, 1942 (b/w photo) / Bridgeman Images

SZT2985154: Colonel General von Moltke with Wilhelm II, 1913 (b/w photo) / Bridgeman Images

SZT2985228: The destroyed Warsaw, 1939 (b/w photo) / Bridgeman Images

SZT2985251: Agriculture in the so-called Wartheland, 1941 (b/w photo) / Bridgeman Images