From 1933 to 1945, Nazi Germany operated more than a thousand concentration camps, including subcamps on its own territory and in parts of German-occupied Europe.
Prisoners guarded by SA men line up in the yard of Oranienburg, 6 April 1933
Heinrich Himmler inspects Dachau on 8 May 1936.
Prisoners at Sachsenhausen, 19 December 1938
Forced labor at Sachsenhausen brickworks
The Communist Party of Germany was a major far-left political party in the Weimar Republic during the interwar period, an underground resistance movement in Nazi Germany, and a minor party in West Germany during the postwar period until it was banned by the Federal Constitutional Court in 1956.
Karl-Liebknecht-Haus, the KPD's headquarters from 1926 to 1933. The Antifaschistische Aktion (abbr. "Antifa") logo can be seen prominently displayed on the front of the building.
Reichswehr soldiers marching toward the federal parliament in Dresden, Saxony, to depose the state government led by a KPD-SPD coalition.
KPD election poster, 1932. The caption at the bottom reads: "An end to this system!"