Question: During the Hunnic Invastion of 451 Flavius Aetius ended the invastion of a ruler who was the leader of the Huns, Alans and what other groups of people?
Sentence (from "Bonifacius"): An ally of Galla Placidia (regent of Valentinian III), Bonifacius engaged in Roman civil wars on her behalf against the generals Flavius Felix in 427-429 and Flavius Aetius in 432.
Relevant evidence: No