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Noun Named Entity
Categories: House of Oldenburg in Oldenburg, Duchies of the Holy Roman Empire, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference, Former states and territories of Lower Saxony, States and territories disestablished in 1918
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Duchy of Oldenburg  Oldenburg  Duchess consort of Oldenburg  Duchess of Oldenburg  Duchy of Holstein-Oldenburg
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The Duchy of Oldenburg named after its capital, the town of Oldenburg was a state in the north-west of present-day Germany. Wikipedia
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EN
The Duchy of Oldenburg named after its capital, the town of Oldenburg was a state in the north-west of present-day Germany. Wikipedia
A state of the Holy Roman Empire Wikipedia Disambiguation
Historical duchy centered on Oldenburg in what is now north-western Germany Wikidata
Historical federated state Wikidata