Question: Who was was a burgraviate of a multi-ethnic complex of territories in central Europe that developed during the Early Middle Ages and continued until its dissolution in 1806?
Sentence (from "Holy Roman Empire"): The Holy Roman Empire (Latin: "Sacrum Imperium Romanum" ; German: "Heiliges Römisches Reich" ) was a multi-ethnic complex of territories in central Europe that developed during the Early Middle Ages and continued until its dissolution in 1806.
Relevant evidence: Yes