SZT5178197: Stahlhelm leaders' day in Frankurt an der Oder, circa 1920s / Bridgeman Images

SZT5178209: Julius von Boemcken and Freiherr von Gayl having a conversation, 1932 / Bridgeman Images

SZT5178233: Stahlhelm members at the 11th Reichsfrontsoldatentag (Frontline Soldiers' Day) in Koblenz, 1930 / Bridgeman Images

SZT5178257: Food for the poor Stahlhelm members in Berlin, 1931 / Bridgeman Images

SZT5178278: Memorial ceremony of the Stahlhelm in the Zirkus Busch in Berlin, 1931 / Bridgeman Images

SZT5178284: Sports event as part of the 13th Reichsfrontsoldatentag in Berlin, 1932 / Bridgeman Images

SZT5178290: Generalfeldmarschall von Mackensen at the 13th Reichsfrontsoldatentag of the Stahlhelm in Berlin, 1932 / Bridgeman Images

SZT5178293: General von Plettenberg takes the salute of Jaeger Regiments in Potsdam, 1929 / Bridgeman Images

SZT5178317: March of the Kyffhaeuserjugend in Kiel, 1929 / Bridgeman Images

SZT5178326: Founding ceremony of the Kyffhaeuserbund in Berlin, 1931 / Bridgeman Images

SZT5178359: Opening of the Reichstag on 24 June 1920 / Bridgeman Images

SZT5178375: Chancellor Bruening reading out the government declaration, 1930 / Bridgeman Images

SZT5179149: Otterberg, 1943 / Bridgeman Images

SZT5179042: Exhibition of French aircrafts after the military campaign in France, 1940, German Photographer, (20th Century) / Bridgeman Images

SZT5179164: Neustadt an der Weinstrasse, 1943 / Bridgeman Images

SZT5179170: Bingen am Rhein, 1932 / Bridgeman Images

SZT5179147: Maikammer, 1942 / Bridgeman Images

SZT5179179: Town Hall in Heppenheim an der Bergstrasse, 1941 / Bridgeman Images

SZT5179153: Sankt Martin, 1943 / Bridgeman Images

SZT5179197: Jet-powered fighter aircraft - Heinkel He 162 Jet Fighter - Heinkel He 162, 1944, German Photographer, (20th Century) / Bridgeman Images

SZT5179222: Arado Ar 196 Seaplane / Bridgeman Images

SZT5179242: Blohm & Voss BV 138 flying boat, 1941 / Bridgeman Images

SZT5179249: Blohm & Voss BV 138 flying boat, 1942 / Bridgeman Images

SZT5179079: PK man filming on a car in a standing position, 1940 / Bridgeman Images

SZT5179091: Allied leaflet calls for an end to the war / Bridgeman Images

SZT5179340: The Ettersburg Hunting Castle near Weimar, circa 1910s / Bridgeman Images

SZT5179361: Koenigs Wusterhausen Castle, 1933 / Bridgeman Images

SZT5179370: Castle Harnekop, circa 1910s / Bridgeman Images

SZT5179379: Castle Putbus on Ruegen, 1905 / Bridgeman Images

SZT5179363: The hunting castle Hubertusstock in Joachimsthal, around 1931s / Bridgeman Images

SZT5179415: Moltke-Warte near Sangerhausen, 1904 / Bridgeman Images

SZT5179445: Rammelburg in Mansfeld on the banks of the Wipper river, circa 1930s / Bridgeman Images

SZT5179411: Schoenhausen Palace in the Altmark, circa 1930s / Bridgeman Images

SZT5179417: Castle Reinhardsbrunn in Friedrichroda, 1933 / Bridgeman Images

SZT5179441: Castle Sommerschenburg near Eilsleben, circa 1930s / Bridgeman Images

SZT5179450: Castle Wiesenburg near Potsdam, 1916 / Bridgeman Images