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 and Steel Community (ECSC). The IAR ended its work on 27 May 1952. The early French plans were concerned with keeping Germany weak and strengthening the French economy at the expense of that of Germany (see the Monnet Plan). French foreign policy aimed at dismantling German heavy industry, placing the coal-rich Ruhr area and Rhineland under French control or at a minimum internationalize them, and also joining the coal-rich Saarland with the iron-rich province of Lorraine (which had been handed over from Germany to France again in 1944). When American diplomats reminded the French of what a devastating effect this