Dalberg, Karl Theodor, Freiherr von (kärl tāˈədôrˌ frĪˈhĕr fôn dälˈbĕrk) [key], 1744–1817, German statesman, of an ancient noble family prominent in imperial service. He was archbishop-elector of Mainz (1802–3) and, as such, archchancellor of the Holy Roman Empire. In 1803 the seat of the archbishopric was moved to Regensburg. A faithful collaborator of Napoleon I, Dalberg became (1806–13) prince-primate of the Confederation of the Rhine and grand duke of Frankfurt (1810–13). Dalberg was known for his humane and enlightened outlook.
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