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
Castle Caereinion Castle Caereinion Castle Caereinion (Welsh: "Castell Caereinion") is a small village and community in Montgomeryshire, Powys, Wales upon the River Banwy (also known as the River Einion), around 8 miles west of Welshpool, and 4 miles east of Llanfair Caereinion. In 2011 the ward had a population of 592. Castle Caereinion railway station is on the Welshpool and Llanfair Light Railway. The village is named after an ancient castle. The castle was built in 1156 by Madog ap Maredudd. Madog's nephew Owain Cyfeiliog swore allegiance to the English, Owain Gwynedd took the castle from him and destroyed it in about