German Reich; Weimar Republic; Fighting in the Ruhr Area (March 15 to May 10; 1920); (The "Red Army" of the workers fighting against incoming Free Corps).Troops of the Ruhr Red Army gather in Lohberg (today Dinslaken-Lohberg); in the background the department store S. Bernhard. The Ruhr Red Army was made up of members and supporters of the KPD; the USPD and the Communist Workers' Party of Germany (KAPD) and consisted of up to 50;000 men who were frontered men. Originally formed to ward off the Kapp Putsch; the so-called "rebellious uprising" was bloodily suppressed in April 1920 by the Free Corps and Reichswehr units commanded by Lieutenant General Oskar von Watter.Photo March 1920 (digitally coloured).