For 10 points, name this chief of the Visigoths who took out his frustrations in 410, when he led a sack of Rome.
When this man died, his followers diverted a river, buried him in the exposed bed, and then returned the river to its original course, so that his grave could never be defiled. He won his appointment as magister militum from Flavius Arcadius after raiding several Greek towns, but he met stiffer opposition at Pollentia, where Stilicho briefly turned him away from Italy. He intervened against emperor Honorius in order to install the more favorable Attalus, but foot-dragging on approval of this man's planned expedition against Africa led to his displeasure with both candidates. For 10 points, name this chief of the Visigoths who took out his frustrations in 410, when he led a sack of Rome.
When this man died, his followers diverted a river, buried him in the exposed bed, and then returned the river to its original course, so that his grave could never be defiled.
{Alaric}