Blutmai was an outbreak of political violence that occurred in Berlin from 1 to 3 May 1929.
Berlin Police dismantle a barricade erected by communists
Headline of Der Abend ('The Evening'), late edition of the SPD's Vorwärts, on 29 April 1929: "200 Dead on May 1? The Criminal Plans of the Communists"
Street barricade erected during the violence
Berlin Police in the streets of Neukölln
Antifaschistische Aktion was an anti-fascist organisation in the Weimar Republic, that was founded and controlled by the Communist Party of Germany. Formed in 1932, Antifaschistische Aktion opposed pr
Under the leadership of Ernst Thälmann, the KPD became a Stalinist party and viewed the SPD as both its main adversary and as "social fascists".
The 1932 Unity Congress showing in the centre the logo flanked by Soviet banners, to the right imagery of the KPD fighting capitalism and to the left imagery attacking the SPD
Karl-Liebknecht-Haus, the KPD's headquarters from 1926 to 1933 in which Antifaschistische Aktion' logo can be seen prominently displayed on the front of the building