Duchy of Oldenburg

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Banner of the Holy Roman Emperor with haloes (1400-1806) .svg
Territory in the Holy Roman Empire
Duchy of Oldenburg
coat of arms
BlasonChristian Ier (1143-1167), comte d'Oldenbourg.svg

Arose from County of Oldenburg
Form of rule Duchy
Ruler / government duke
Today's region / s DE-NI
Parliament Reichsfürstenbank
Reich register unchanged to the county (1663)
Reichskreis Lower Rhine-Westphalian
Capitals / residences Oldenburg
Dynasties House Oldenburg
Denomination / Religions Lutheran
Language / n German , Low German

Incorporated into Grand Duchy of Oldenburg

The Duchy of Oldenburg was an imperial principality raised in 1774 in the Holy Roman Empire . It belonged to the Lower Rhine-Westphalian Empire . It survived the end of the empire for a short time in the Rhine Confederation , but was annexed by the French Empire in 1811 . In 1815 the state was restored as the Grand Duchy of Oldenburg . The heartland of the Grand Duchy was now referred to as the Duchy of Oldenburg, in contrast to the foreign parts of the Principality of Lübeck and Principality of Birkenfeld .


The county of Oldenburg has existed since the early Middle Ages . In the Treaty of Tsarskoye Selo on August 27, 1773 , the county passed to the head of the House of Schleswig-Holstein-Gottorf , later Tsar Paul , who ceded the land to his cousin, the Prince-Bishop of Lübeck, Friedrich August , four days later was then raised to the rank of duke by Emperor Joseph II in 1774/1777.

The duchy thus consisted of two spatially separate sub-areas: Oldenburg itself and the Lübeck bishopric (after secularization from 1803, the principality of Lübeck with the residential city of Eutin ).

Friedrich August died in 1785. His nephew Peter Friedrich Ludwig took over as coadjutor succession and official business for the incapable of governing “mentally weak” biological son Peter Friedrich Wilhelm . Under him, Oldenburg became a royal seat again. When Peter Friedrich Wilhelm died in 1823, he was succeeded Peter Friedrich Ludwig as the Duke Peter I . 1803 Oldenburg gained in Reichsdeputationshauptschluss in exchange for the Elsflether Weser inches in compensation, the Hanover office Wildeshausen and from the dissolved Bishopric Munster the offices Vechta and Cloppenburg . The Lübeck bishopric was converted into a hereditary principality.

Although the country had joined the Rhine Confederation , it was annexed by France in early 1811 and added to the newly established department of the Weser estuaries . In his capacity as regent, Peter Friedrich Ludwig rejected the offer of the imperial domain Erfurt as a replacement and emigrated to Russia, where Tsar Alexander's sister Katharina Pavlovna had been married to his son Georg on April 30, 1809.

Dukes of Oldenburg

Surname Domination Remarks
Friedrich August I. 1773-1785
Peter Friedrich Wilhelm (1785-1823) titular duke only; because of insanity under his cousin's reign
Peter Friedrich Ludwig (1st time) 1785-1811 Prince Regent since 1785
under French occupation and government 1811-1813
Peter Friedrich Ludwig (2nd time) 1813-1829 Prince Regent since 1785, Duke himself since 1823, Grand Duke de jure since 1815


  • Gerhard Anton von Halem: History of the Duchy of Oldenburg. by Gerh. Stalling and in Commission by Mrs. Willmans in Bremen , Oldenburg 1st volume 1794, 2nd volume 1795 and 3rd volume 1796
  • Albrecht Eckhardt, Heinrich Schmidt (ed.): History of the state of Oldenburg. A manual. Edited on behalf of the Oldenburg landscape. Holzberg, Oldenburg 1987. ISBN 3-87358-285-6
  • Gerhard Köbler : Historical lexicon of the German countries. The German territories from the Middle Ages to the present. 7th, completely revised edition. CH Beck, Munich 2007, ISBN 978-3-406-54986-1 , p. 559 ( limited preview in the Google book search) online at www.koeblergerhard.de/wikiling .


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