 It was attacked in the 3rd century by Germanic tribes bursting through the Alps and sacked two centuries later by Attila the Hun.Led by their king Theoderic the Great, the Ostrogoths conquered the region from the north in the final years of the 5th century, deposing Odoacer, the barbarian ruler of Italy who had succeeded the last Western Roman emperor.The Gothic War and Justinian's plague devastated the Padan population.