Duke of Saxe-Jena
| Duchy of Saxe-Jena | ||||||||||
| Herzogtum Sachsen-Jena | ||||||||||
| State of the Holy Roman Empire | ||||||||||
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 Coat of arms
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 Saxe-Jena, shown with the other Ernestine duchies
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| Capital | Jena | |||||||||
| Government | Principality | |||||||||
| Historical era | Middle Ages | |||||||||
| • | Partitioned from Saxe-Weimar |
1672 1672 |
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| • | Ducal line extinct; restored to Saxe-Weimar |
1690 1690 |
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The Duchy of Saxe-Jena was one of the Saxon Duchies held by the Ernestine line of the Wettin Dynasty. Established in 1672 for Bernhard, fourth son of Wilhelm, Duke of Saxe-Weimar, Saxe-Jena was reincorporated into Saxe-Weimar on the extinction of Bernhard's line in 1690.
Reincorporated into Saxe-Weimar
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Wikipedia