Welsh revolt of Dafydd ap Gruffydd

Timeline

1. 1281Gwynedd · GwyneddDafydd ap Gruffydd ended his brief alliance with Edward I, reuniting with his brother Llywelyn ap Gruffydd to gather forces in northern Wales, openly challenging England's suzerainty and territorial control over Wales.
2. 1281Northern Wales and the Marches · WalesWelsh polities heeded the Gruffydd brothers' call to strengthen their armed preparations, with frictions against English border castles and garrisons increasing; the peace maintained by the 1277 Aberconwy treaty quickly collapsed, creating conditions for full-scale war the following year.