About Duchy of Holstein

The Duchy of Holstein was the northernmost state of the Holy Roman Empire, located in the present German state of Schleswig-Holstein. It originated when King Christian I of Denmark had his County of Holstein-Rendsburg elevated to a duchy by Emperor Frederick III in 1474. Members of the Danish House of Oldenburg ruled Holstein – jointly with the Duchy of Schleswig – for its entire existence.

Facts from Wikidata (CC0). Image by Sir Iain via Wikimedia Commons (Public domain).

Duchy of Holstein

territory of the Holy Roman Empire and its successors, 1474–1867

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About Duchy of Holstein

Facts from Wikidata (CC0). Image by Sir Iain via Wikimedia Commons (Public domain).

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Country: Holy Roman Empire, Denmark, Austrian-Prussian Condominium in Schleswig-Holstein
Inception: 1474

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Duchy of Holstein across IJR

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