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
International Authority for the Ruhr Stuttgart speech Restatement of Policy on Germany that the United States would accept the French claims on the Saarland, but that: "the United States will not support any encroachment on territory which is indisputably German or any division of Germany which is not genuinely desired by the people concerned. So far as the United States is aware the people of the Ruhr area and the Rhineland desire to remain united with the rest of Germany. And the United States is not going to oppose their desire." The Ruhr Agreement was imposed on the (West) Germans as a condition for permitting