Introduction Llywelyn the Great (Welsh: Llywelyn Fawr, full name Llywelyn mab Iorwerth) (c. 1173 to 11 April 1240) was a King of Gwynedd in north Wales and eventually ruler of all Wales. By a combination of war and diplomacy he dominated Wales for 45 years. During Llywelyn’s childhood, Gwynedd was ruled by two of his… Read More