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
Gweirca ferch Owain part of two animals with their heads back to back and their tails interlacing elaborately with two circles. The lower part of the panel has interlacing stems." The inscription in Latin reads: Translated as: P. Lord states that Gweirca's grave slab is "the earliest dated Welsh memorial of any kind" Gweirca ferch Owain Gweirca ferch Owain (possibly Gwerica) was a medieval Welsh noblewoman, granddaughter of Madog ap Gruffydd Maelor and daughter of Owain ap Gruffydd ap Madog. Gweirca died in 1290 and is buried at Valle Crucis Abbey, near Llangollen, which was founded by her grandfather. Her sepulchral grave slab