S1 (Rhine-Ruhr S-Bahn) Services ran via Düsseldorf Airport Terminal station from 24 May 1998 to 28 May 2000. Services were extended from Düsseldorf to Solingen on 13 December 2009, replacing part of the former line S 7 service. S1 (Rhine-Ruhr S-Bahn) Line S1 is a S-Bahn line on the Rhine-Ruhr network. It is operated by DB Regio. It runs from Dortmund west over Essen to Duisburg. From there it travels south to Düsseldorf and Hilden before continuing to Solingen. It is operated at 20 minute intervals, using coupled sets of class 422 four-car electrical multiple units. Line S 1 runs over lines built
Ruhr Red Army Ruhr Red Army The 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 in the Ruhr Valley (the most important industrial area of Germany) on 13 March 1920 as a reaction to the Kapp Putsch. After calling a general strike on 14 March, the Red Ruhr Army defeated the Freikorps and regular army units in the area and started the biggest armed workers' uprising in Germany, the Ruhr