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 raids of Dortmund on 12 March 1945 with 1,108 aircraft – 748 Lancasters, 292 Halifaxes, 68 Mosquitos – was a record to a single target in the whole of World War II. More than 4,800 tons of bombs were dropped through the city centre and the south of the city. After the war, the Level of Industry plans for Germany abolished all German munitions factories and civilian industries that could support them and severely restricted civilian industries of military potential. The French Monnet Plan pushed for an internationalization of the area, and the subsequent Ruhr Agreement was imposed as a