 He was not as prepared as he thought to take over and stabilize the depleted empire, however; after a reign of only 11 weeks, Maximus was stoned to death by a Roman mob.King Gaiseric and his Vandals captured Rome a few days later and sacked it for two weeks.Valentinian's reign is marked by the dismemberment of the Western Empire; by the time of his death, virtually all of North Africa, all of western Spain, and the majority of Gaul had passed out of Roman hands.