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 Glyndŵr 1412, Owain led one of the final successful raiding parties with his most faithful soldiers and cut through the King's men; and in an ambush in Brecon he captured, and later ransomed, a leading Welsh supporter of King Henry's, Dafydd Gam ("Crooked David"). This was the last time that Owain was seen alive by his enemies. As late as 1414, there were rumours that the Herefordshire-based Lollard leader Sir John Oldcastle was communicating with Owain, and reinforcements were sent to the major castles in the north and south. But by then things were changing. Henry IV died in 1413 and