The castle at Aberystwyth was demolished by Maelgwyn, the brother of the then Lord of Cardiganshire. Maelgwyn had risen up in revolt against his brother and put him in prison. Maelgwyn had first captured the castle but decided to destroy it because Llywelyn the Great was threatening to attack Maelgwyn's lands and he feared the that castle could fall into Llywelyn's hands. ^[1]

The castle at Abervagenny was captured from King John's forces by Llewellyn. ^[2]

Llewellyn's fight against the Normans continued with the capture of Cilgerran Castle. ^[3]

Rhys Grug, another son of the Lord Rhys, captured and burnt the castle at Kidwelly. The Welsh held the castle for several years until Llywelyn the Great forced its restoration to the Normans . ^[4]

Llywelyn of Wales divided south Wales amongst the native princes.

King Henry III of England wrote to the Welsh ruler Llywelyn the Great and promised safe-conduct if they met at Worcester, A peace treaty was signed by Henry and Llywelyn at Worcester which confirmed Llywelyn's ownership of lands in Wales and in return Llywelyn agreed to pay homage to Henry and to return those castles that he had captured.

Llywelyn, the Prince of Wales, began raiding Pembrokeshire to retake land that he accused William Marshall, the younger, of stealing. This included Wiston Castle. ^[5]

Llyewelyn the Great started the construction of this Welsh castle. ^[4]

Llywelyn, the Prince of Wales, had captured the castles at Carmarthen and Cardigan but both were recaptured by William Marshall, the younger. ^[5]

William Marshall, the younger, recaptured the castle at Cilgerran from Llywelyn ap Iorwerth.

Richard, Earl of Pembroke in alliance with Llywelyn of Wales join forces to fight King Henry III. (Details required). ^[6]

Llywelyn the Great died in this year. This ended a reign in which enemies were tamed, the poor people were fed and boundaries were enlarged. He was buried at Aberconwy Abbey in north Wales.