Detectives defend the town hall in Muelheim an der Ruhr. Two days after the beginning of the Kapp-Putsch, a Communist uprising broke out in the Ruhr area. Armed workers take over the power in the Ruhr area. The Freikorps, which intervened on the government's order, is repulsed and suffers heavy losses. It was first on the 2nd of April, when the Reichswehr intervened, when the Red Army had to withdraw. After bloody battles the Reichswehr managed to restore the old order by the 10th of May.