The Kingdom of Soissons was a rump state of the Western Roman Empire in northern Gaul (present day France) for some twenty-five years during Late Antiquity. The emergence of the Kingdom of Soissons began when Emperor Majorian (457–461) appointed Aegidius as magister militum of the Roman Gaul. When Majorian lost his authority and his life to Ricimer in 461, Aegidius maintained his own rule in much of his province, creating a Roman remnant state that came to be known as the Kingdom of Soissons. In the chaos of contemporary Gaul, he maintained his power against Franks to his east and Visigoths to his south; his relations to the Romano-British of Brittany may have been friendly. Aegidius died in 464 or 465. His son Syagrius succeeded to the rule. In 486 Syagrius lost the Battle of Soissons to