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
Occupation of the Ruhr so it never managed to unite the right before it had faded away by the late 1920s, as the NSDAP emerged. Occupation of the Ruhr The Occupation of the Ruhr () was a period of military occupation of the German Ruhr valley by France and Belgium between 1923 and 1925. The occupation was a response to the Weimar Republic widely and regularly defaulting on reparation payments in the early 1920s. The total reparation sum of £6.6 billion had been dictated by the Triple Entente in 1921 in the Treaty of Versailles, and the reparation payments were due to last several