Question: Which European empire, divided into autonomous kingdoms and ruled by an emperor with little authority outside of his own kingdom, is the subject of the "Annales mosellani"?
Sentence (from "Carolingian Empire"): In 800, the Frankish king Charlemagne was crowned emperor in Rome by Pope Leo III in an effort to revive the Roman Empire in the west during a vacancy in the throne of the eastern Roman Empire.
Relevant evidence: No