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 "Attila"): circa 406–453), frequently referred to as Attila the Hun, was the ruler of the Huns from 434 until his death in March 453.
Relevant evidence: Yes