Remnants of the falling Roman Empire somehow halted an invasion by this man & his Huns in 451 A.D. near Chalons
.... 
the thousand-year rise of Christianity after the fall of the Western Roman Empire... [DOC] [TLE] Talk:Battle of the Catalaunian Plains - Wikiwand [PAR] Although the Battle of Chalons itself can be presented as Roman success, it 
exhausted .... was left master of the field, it had the effect of halting the huns 
advance.