| Front | Congress of Berlin |
| Back | Called by Bismarck in 1878, when tensions between Russia and Great Britain over the Treaty of San Stefano threatened peace. Led to the Treaty of Berlin which reduced the losses of the Ottoman empire to Russia's client states and reduced Russian influence in the Balkans. In essense, Bismarck sided with Great Britain. |
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| Front | Alsace–Lorraine |
| Back | Region of eastern France ceded to Germany after the Franco–Prussian War |
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| Front | Schleswig–Holstein |
| Back | Two Duchies—the source of conflict between Prussia and Denmark which led to war.
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