Köpenick (köˈpənĭk) [key], district of Berlin, E Germany, at the confluence of the Spree and Dahme rivers. It is an industrial center and a tourist spot, with forests and large lakes. Köpenick was the scene of the trial (1730) of Crown Prince Frederick (later Frederick II), who had attempted to escape from Prussia to England. In 1906, Wilhelm Voight, a shoemaker dressed as an army captain, imprisoned the mayor of Köpenick (then an independent town), an episode dramatized (1931) by Carl Zuckmayer in Der Hauptmann von Köpenick.
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