High Quality Content by WIKIPEDIA articles Red Ruhr Army was an army of between 50,000 and 80,000 left wing workers from the Communist Party of Germany, the Communist Workers' Party of Germany, the Independent Social Democratic Party of Germany, and the Free Workers Union of Germany, formed on March 13, 1920 as a reaction to the Kapp Putsch in the Ruhr Valley, the richest industrial area of Germany. After calling a general strike on March 14, the...