SZT6364264: Knight's Cross bearer Ulrich Gunzert, 1941 (b/w photo) / Bridgeman Images

SZT6364321: Knight's Cross bearer Sigmar-Ulrich Freiherr von Gravenreuth, 1940 (b/w photo) / Bridgeman Images

SZT6364342: Irene of Hesse-Darmstadt during the Prinz-Heinrich-Fahrt in Bremerhaven, 1911 (b/w photo) / Bridgeman Images

SZT6364345: Henry of Prussia at the Herkomer competition in Munich, 1906 (b/w photo) / Bridgeman Images

SZT6364351: Henry of Prussia at the opening of the IAA in Berlin, 1907 (b/w photo) / Bridgeman Images

AGW6364551: Oblique Left III, 2020, digital, Dow, Stephen / Bridgeman Images

AGW6364552: Oblique Left V, 2020, digital, Dow, Stephen / Bridgeman Images

AGW6364758: Gable II, 2020, digital, Dow, Stephen / Bridgeman Images

AGW6364759: Gable I, 2020, digital, Dow, Stephen / Bridgeman Images

SZT6363891: Prelude to the Bayreuth Festival, 1934 (b/w photo) / Bridgeman Images

SZT6363906: Joseph W. Stalin as Political Commissioner, 1918 (b/w photo) / Bridgeman Images

SZT6363918: Molotov during the sixth session of the Supreme Soviet, 1940 (b/w photo) / Bridgeman Images

SZT6363921: Apparatchiks during the May Day Parade, 1937 (b/w photo) / Bridgeman Images

SZT6363939: Mikoyan, Stalin, Ordzhonikidze, 1925 (b/w photo) / Bridgeman Images

SZT6363854: First World War: German soldiers in the battlefield (b/w photo) / Bridgeman Images

SZT6363860: Alexei Rykov, communist, before 1938 (b/w photo) / Bridgeman Images

SZT6363872: Oktoberfest, 1921 (b/w photo) / Bridgeman Images

SZT6363881: Artists of the Bayreuth Festival during a break, 1933 (b/w photo) / Bridgeman Images

SZT6363896: Kiosk at the Bayreuth Festival, 1912 (b/w photo) / Bridgeman Images

SZT6363908: Joseph W. Stalin, 1922 (b/w photo) / Bridgeman Images

SZT6364034: Hunting exhibition at the Green Week, 1936 (b/w photo) / Bridgeman Images

SZT6364149: Electors proclaim the new Roman king, 1298 (b/w photo) / Bridgeman Images

SZT6364152: Certificate by the Pope on the foundation of the Heidelberg University, 1385 (b/w photo) / Bridgeman Images

SZT6363871: Oktoberfest, ca. 1920s (b/w photo) / Bridgeman Images

SZT6364058: Soldiers of the Czech Legion (b/w photo) / Bridgeman Images

SZT6364067: Parade of a Red Army unit, 1920 (b/w photo) / Bridgeman Images

SZT6363916: Joseph V. Stalin, 1941 (b/w photo) / Bridgeman Images

SZT6363922: Comintern, 1935 (b/w photo) / Bridgeman Images

SZT6363925: Joseph V. Stalin, 30s (b/w photo) / Bridgeman Images

SZT6364124: Delivery of trucks to the Soviet Union, 1930/31 (b/w photo) / Bridgeman Images

SZT6364024: Kliment Voroshilov, 1929 (b/w photo) / Bridgeman Images

SZT6364033: Hunting exhibition at the Green Week, 1936 (b/w photo) / Bridgeman Images

SZT6364036: Interior view of the German House at the St. Louis World Exhibition, 1904 (b/w photo) / Bridgeman Images

SZT6364039: Interior view of the German House at the St. Louis World's Fair, 1904 (b/w photo) / Bridgeman Images

SZT6364075: The Moscow Workers' Battalion, 1919 (b/w photo) / Bridgeman Images

SZT6364078: Insurgent troops from Turkestan, 1923 (b/w photo) / Bridgeman Images