Grand Duchy of Oldenburg

This article is largely based on an article in the out-of-copyright Encyclopædia Britannica Eleventh Edition, which was produced in 1911. It should be brought up to date to reflect subsequent history or scholarship (including the references, if any). When you have completed the review, replace this notice with a simple note on this article's talk page. (September 2018)

You can help expand this article with text translated from the corresponding article in German. (August 2012) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 9,122 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Großherzogtum Oldenburg]]; see its history for attribution. You may also add the template {{Translated|de|Großherzogtum Oldenburg}} to the talk page. For more guidance, see Wikipedia:Translation.

Grand Duchy of Oldenburg Großherzogtum Oldenburg (German)
1815–1918
Flag Coat of arms
Anthem: "Heil dir, o Oldenburg [de]" "Hail to thee, O Oldenburg"
The Grand Duchy of Oldenburg within the German Empire
Status	State of the German Confederation, the North German Confederation, and the German Empire
Capital	Oldenburg
Religion	Evangelical Lutheran Church of Oldenburg
Government	Constitutional monarchy
Grand Duke
• 1815–1823	Wilhelm
• 1823–1829	Peter I
• 1829–1853	Augustus
• 1853–1900	Peter II
• 1900–1918	Frederick Augustus II
Staatsminister
• 1814–1842	Karl von Brandenstein (first)
• 1916–1918	Franz Friedrich Ruhstrat (last)
History
• Congress of Vienna	1815
• German Revolution	9 November 1918
Currency	Thaler (until 1858) Vereinsthaler (1858–1873) German Goldmark (1873–1914) German Papiermark (1914–1918)
Preceded by Succeeded by First French Empire Duchy of Oldenburg Free State of Oldenburg
Today part of	Germany

The Grand Duchy of Oldenburg (German: Großherzogtum Oldenburg, also known as Holstein-Oldenburg) was a grand duchy within the German Confederation, North German Confederation and German Empire that consisted of three widely separated territories: Oldenburg, Eutin and Birkenfeld. It ranked tenth among the German states and had one vote in the Bundesrat and three members in the Reichstag.^[1]

Its ruling family, the House of Oldenburg, also came to rule in Denmark, Norway, Sweden, Greece, Russia^[2] and United Kingdom.