The town was prosperous until the end of the 3rd century when successive barbarian invasions slowed its development. During the 4th and 5th centuries, the nearby town of Arles enjoyed more prosperity. In the early 5th century the Praetorian Prefecture was moved from Trier in northeast Gaul to Arles.
The town was prosperous until the end of the 3rd century when successive barbarian invasions slowed its development. During t.he 4th and 5th centuries, the nearby town of Arles enjoyed more prosperity. In the early 5th century the Praetorian Prefecture was moved from Trier in northeast Gaul to Arles