This essay focuses on the German kingship.Frankish or German king Otto I.He was also king of Italy (the kingdom of Burgundy was further acquire by Conrad II in 1032). Thenceforward to 1806, though not all German kings were emperors
Suggested Bibliography: Procopius, The Secret History: https://sourcebooks.fordham.edu/basis/procop-anec.asp On Buildings: http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Procopius/Buildings/home.html Evans, James, “Justinian.” In De Imperatoribus Romanis An Online Encyclopedia of Roman Emperors: http://www.roman-emperors.org/justinia.htm Evans, James. The Emperor Justinian and the Byzantine Empire. Westport, CT: Greenwood Press, 2005.
Frankish or German king Otto I.He was also king of Italy (the kingdom of Burgundy was further acquire by Conrad II in 1032). Thenceforward to 1806, though not all German kings were emperors. (crowned by the pope), there were no emperors who were not German kings. So that election to the German kingship came to be de facto necessary for attainment of the imperial title.
Outside the Frankish and German sphere of influence the title emperor . Sometimes assume by princes supreme over more than one kingdom. Thus Sancho III the Great of Navarre styled himself “emperor of Spain” on his annexation of Léon Alfonso VI of Léon and Castile call himself “emperor . Two Religions,” to show his supremacy over Christians and Muslims alike; and Alfonso VII took the title “emperor of all Spain” (1135).
Napoleon Bonaparte in 1804, having been anoint by Pope Pius VII, crowned himself emperor of the French as Napoleon I. His claim to be the successor not of Louis XIV but of Charlemagne, together with his organization . Confederation of the Rhine in Germany, was a threat to the Holy Roman Empire of the Habsburg dynasty. Seeing this, Francis II, to retain an imperial title, took that of “hereditary emperor of Austria” before he dissolve the old empire in 1806. His successors retained it until 1918.