Complex sentence: Events followed a similar pattern to 1277, with Edward's forces capturing Gwynedd Is Conwy and again capturing Anglesey and taking the harvest, though the force occupying Anglesey suffered a defeat when trying to cross to the mainland in the battle of Moel-y-don.
Split into simpler sentences: Events followed a similar pattern to 1277, with Edward's forces capturing Gwynedd Is Conwy, Anglesey and taking the harvest. Although the force occupying Anglesey were defeated when trying to cross to the mainland in the battle of Moel-y-don.