←  Holy Roman Empire
|
 German Confederation →  North German Confederation → German Empire →
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Treaties concluded or ratified by 
Saxe-Coburg and Gotha (1826–1918).
| ← Holy Roman Empire
|
German Confederation → North German Confederation → German Empire →
|
Treaties concluded or ratified by Saxe-Coburg and Gotha (1826–1918).