They came to power when Charlemagne was crowned as emperor and defender of Christianity by the pope.
Frederick II came to power as the King of Prussia. Parts of his kingdom were technically part of the Holy Roman Empire.
The Holy Roman Emperors were the heads of this empire.
The Holy Roman Emperors where the emperors of the Holy Roman Empire, which was created by Otto I in 962 and ended in 1806. It was centred around Germany and at its greatest extent it included northeastern France, Belgium, Luxembourg, Holland, Switzerland Austria, Italy and the Czech Republic.
Concordat of Worms
Otto
The Holy Roman Emperors who also were the kings of Germany until the establishment of the Hapsburg dynasty, which was Austrian.
nobody knows :S
hey
let me think
The Emperors power was limited because if the king chose a good bishop he would be knowned in a good way nope
he anted you booy
Lack of transportation and disinterest in giving way to the Central Power