Owain Glyndŵr were leaving their studies to join Owain, and Welsh labourers and craftsmen were abandoning their employers in England and returning to Wales. Owain could also draw on Welsh troops seasoned by the English campaigns in France and Scotland. Hundreds of Welsh archers and experienced men-at-arms left English service to join the rebellion. In 1404, Owain held court at Harlech and appointed Gruffydd Young as his Chancellor. Soon afterwards, he called his first Parliament (or or "gathering") of all Wales at Machynlleth, where he was crowned Prince of Wales and announced his national programme. He declared his vision of an independent
Owain Fychan and destroying the royal castle there, which was made of timber until fortified in stone in 1194) and Iorwerth Goch from Mochnant Is Rhaeadr in 1166. Owain Fychan now controlled Mechain, Cynllaith, Caereinion and Mochnant Is Rhaeadr. Carreghofa Castle was retaken by Henry II in 1165, but Owain Fychan had recaptured it again by 1187. The castle may have been important because of silver mining operations taking place there. He was attacked at night and killed at Carreghofa Castle by Gwenwynwyn and Cadwallon, the sons of Owain Cyfeiliog. They were unable to control the territories gained to the west of