When King Edward I and his queen Eleanor first came to Caernarfon in the summer of 1283 it was barely a gleam in the eye of architect Master James of St George.
Pan ddaeth y Brenin Edward I a’i frenhines Eleanor i Gaernarfon am y tro cyntaf yn haf 1283, ychydig iawn o waith oedd wedi’i gyflawni dan oruchwyliaeth y pensaer, Meistr James o St George.