This new border moved Oswestry back to the English side of the new frontier, and Offa attacked Powys in 760 at Hereford, and again on 778, 784 and 796.
Este novo límite moveu Oswestry de novo ao lado inglés da fronteira, e Offa atacou a Powys en Hereford en 760, 778, 784 e 796.