Accounts of Aquitania during the Early Middle Ages are a blur, lacking precision, but there was much unrest. The Visigoths were called into Gaul as "foederati", legalizing their status within the Empire. Eventually they established themselves as the "de facto" rulers in south-west Gaul as central Roman rule collapsed. Visigoths established their capital in Toulouse, but their tenure on Aquitaine was feeble. In 507, they were expelled south to Hispania after their defeat in the Battle of Vouillé by the Franks, who became the new rulers in the area to the south of the Loire.