🌐EnglishEnglishDeutschEspañolFrançaisItalianoРусскийفارسیไทย한국어中文日本語EntityQ232896· pop 10· linked from 321 articlestwo emperor problema problem arising when multiple people claim the title of emperorAvailable in 10 languagesFrançaisDeutsch中文РусскийItalianoUrduفارسیไทย한국어via Wikidata sitelinks · CC0Connectionslist of Byzantine emperorsEntityHoly Roman EmperorEntityCategories2 (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 relations