two emperor problem
Sign in to savea problem arising when multiple people claim the title of emperor
Connections
list of Byzantine emperors
Entity
Holy Roman Emperor
Entity
Palaiologos
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Middle Ages
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Pope
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Byzantine Empire
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Ivan the Terrible
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Frederick Barbarossa
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historiography
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Papal States
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Tsardom of Russia
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Emperor Rudolf II
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Ecumenical Patriarchate of Constantinople
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vassal
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Empire of Nicaea
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War of the Pacific
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Alcuin
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Otto II
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Vasili III of Moscow
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military history
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Categories
2 (number)Byzantine Empire–Carolingian Empire relationsByzantine Empire–Empire of Trebizond relationsByzantine Empire–First Bulgarian Empire relationsByzantine Empire–Holy Roman Empire relationsEastern Orthodox–Catholic conflictsFormer monarchies of EuropeHistory of diplomacyHistory of the Byzantine EmpireHistory of the Ottoman EmpireHoly Roman Empire–Ottoman Empire relationsHoly Roman Empire–Russian Empire relationsInternational disputesMedieval politicsNaming controversiesNational questionsPolitics of the Holy Roman EmpireRival successionsSchisms from the Eastern Orthodox Church