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Byzantine Empire
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Poland (WW2)
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Russian Empire
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Czechoslovakia
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Polish-Lithuanian Commonwealth
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2nd Bulgarian Empire
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Sparta
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Austrian Empire
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Ottoman Empire
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Roman Empire
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Papal States (Holy-see)
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Soviet Union (USSR)
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Austria-Hungary
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Kingdom of Italy
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Swedish Empire
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Finnish Empire
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Dacia (Romania)
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3rd Reich (WW2 Germany)
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Serbian Empire
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Macedonian Empire
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Kievan Rus
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German Empire
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Kingdom of Hungary
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1st Bulgarian Empire