Berg (German pronunciation: [bɛʁk] ) was a state—originally a county, later a duchy—in the Rhineland of Germany. Its capital was Düsseldorf. It existed as a distinct political entity from the early 12th to the 19th centuries. It was a member state of the Holy Roman Empire.
The name of the county lives on in the modern geographic term Bergisches Land, often misunderstood as bergiges Land (hilly country).
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John William, Elector Palatine (Jan Wellem in Low German, English: John William; 19 April 1658 – 8 June 1716) of the Wittelsbach dynasty was Elector Palatine (1690–1716), Duke of Neuburg (1690–1716), Duke of Jülich and Berg (1679–1716), and Duke of Upper Palatinate and Cham (1707–1714). From 1697 onwards Johann Wilhelm was also Count of Megen.
Ratingen (German pronunciation: [ˈʁaːtɪŋən] ; Limburgish: Rotinge) is a town in the district of Mettmann in North Rhine-Westphalia, Germany. It lies in the northwestern part of Berg about 12 km northeast of Düsseldorf.