Innenstadt, Cologne of Cologne Stadtbahn tram and U-Bahn stations. The Cologne Ring (Kölner Ringe) is a city boulevard, encircling the old town of Cologne. It is part of Bundesstraße 55 and picks up several principal arterial roads, which lead into adjacent city districts. Innenstadt, Cologne Innenstadt () is the central city district ("Stadtbezirk") of the City of Cologne in Germany. The district was established with the last communal land reform in 1975, and comprises Cologne's historic old town (Altstadt), the Gründerzeit era new town (Neustadt) plus the right-Rhenish district of Deutz. Innenstadt has about 127,000 inhabitants (as of December 2008) and covers
Cologne was responsible for military operations in Bonn, Siegburg, Aachen, Jülich, Düren, and Monschau. Cologne was home to the 211th Infantry Regiment and the 26th Artillery Regiment. The Allies dropped 44,923.2 tons of bombs on the city during World War II, destroying 61% of its built up area. During the Bombing of Cologne in World War II, Cologne endured 262 air raids by the Western Allies, which caused approximately 20,000 civilian casualties and almost completely wiped out the central part of the city. During the night of 31 May 1942, Cologne was the target of "Operation Millennium", the first 1,000 bomber