Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Aachen Cathedral ' has mentioned 'Holy Roman Empire' in the following places:
Occurrence Sentence Text Source
Originally inspired by the churches of the eastern part of the Holy Roman Empire, the octagonal core was splendidly enlarged in the Middle Ages.
Facing the altar, the Emperor sat on the gallery; the Carolingian stone throne was the coronation seat of the kings of the Holy Roman Empire of German Nation from the Middle Ages until 1531.