Problem of two emperors
subject: Category:History of the Ottoman Empire
type: Thing
footer: The choice of the Holy Roman emperor Frederick I Barbarossa to march through the Byzantine Empire during the Third Crusade in 1189 caused the Byzantine emperor, Isaac II Angelos , to panic and nearly caused a full-scale war between the Byzantine Empire and Western Christianity.
footer: Left: Catherine the Great's "Greek Plan". Red marks the planned borders of the restored Byzantine Empire under her grandson Konstantin Pavlovich, blue marks the planned borders of the "Kingdom of Dacia" under Grigory Potemkin. The compensations for the Habsburg monarchy are marked with yellow and the compensations for Venice are marked with blue-green.
subject: Category:History of the Byzantine Empire
total width: 410
align: right
description: притязания императоров Востока и Запада на титул римского императора в Средневековье @ru
subject: Category:Medieval politics
description: Begriff aus der Geschichte von Ostrom und Westrom vor 800 @de
label: Problema dei due imperatori @it
label: 두 황제 문제 @ko
perrow: 2
image: Great Catherine's dream.png
description: terme historiographique @fr
subject: Category:Schisms from the Eastern Orthodox Church
image: Greek Plan Catherine the Great.png
subject: Category:Byzantine Empire–Carolingian Empire relations
width: 182
description: a problem arising when multiple people claim the title of emperor
width: 174
subject: Category:Byzantine Empire–Empire of Trebizond relations
width: 150
subject: Category:Byzantine Empire–Holy Roman Empire relations
subject: Category:Holy Roman Empire–Russia relations
subject: Category:Byzantine Empire–First Bulgarian Empire relations
subject: Category:National questions
image: Friedrich I. Barbarossa.jpg
subject: Category:Naming controversies
subject: Category:Politics of the Holy Roman Empire
subject: Category:Former monarchies of Europe
subject: Category:Holy Roman Empire–Ottoman Empire relations
description: disputa tra i sovrani dell'Impero Romano d'Oriente e del Sacro Romano Impero per il legittimo titolo di imperatore romano @it
description: disputa entre los emperadores bizantinos y del Sacro Imperio Romano Germánico acerca de qué monarca poseía legítimamente el título de emperador romano @es
pages: 61
label: 雙帝問題 @zh
url: https://archive.org/details/the-oxfrod-dictionary-of-byzantium-vol.-1-oup-1991/The%20Oxfrod%20Dictionary%20of%20Byzantium_Vol.%203_OUP_1991/page/1651/mode/2up?q=%22Philip+I+of+Taranto%22|last=Talbot|first=Alice-Mary|author-link=Alice-Mary Talbot
subject: Category:International disputes
volume: 3
chapter: The Imperial Ideology
subject: Category:Rival successions
page: 1652
image: 144
description: 유럽에서 로마의 황제에 대한 논쟁 @ko
subject: Category:Eastern Orthodox–Catholic conflicts
title: PHILIP I OF TARANTO
label: Zweikaiserproblem @de
subject: Category:2 (number)
subject: Category:History of diplomacy
footer: Right: Close-up of the intended approximate borders of the restored Byzantine Empire and the Kingdom of Dacia .