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German Confederation
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Treaties concluded by the Duchy of Oldenburg (or the Grand Duchy of Oldenburg) (1774–1918).
The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes.
← Holy Roman Empire |
German Confederation
→ North German Confederation → German Empire → |
Treaties concluded by the Duchy of Oldenburg (or the Grand Duchy of Oldenburg) (1774–1918).
The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes.