 Taking advantage of the Romans' problems, he extended Visigothic power in Hispania, driving the Suevi into the northwest of Iberia.By the time the Western Roman Empire ended in 476 he controlled nearly the entire Iberian peninsula.In 469 or 470 Euric defeated the British king Riothamus at Déols and expanded his kingdom even further north, possibly as far as the Somme River, the March of Frankish territory.