Shortly after the castle was completed it was besieged by Madog ap Llywelyn. The attack was successfully repelled.
Conwy Castle was another castle constructed by Longshanks to secure his hold on Wales. The castle was part of the larger construction effort to create the walled town of Conwy.
Conwy was a walled town created by Longshanks for English settlers. For decades after its completion native Welsh were not allowed to enter the town.
