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Duchy of Oldenburg
1774 – 1871
DuchyEurope
The small north-German duchy between Weser and Ems, raised from a county in 1774 and tied by dynasty to Denmark and Russia.
A grand duchy from 1815, it kept internal statehood inside the German Empire from 1871 until the 1918 revolution.
Borders in 1774 · drawn from 1 sourced border frame
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