On September 30, 1294 in Celtic History
Revolt of madog ap llywelyn, caernarfon castle taken by welsh rebels.
At the end of the first building phase of Caernarfon Castle, the north wall of the castle had no wall, and was instead defended by the town walls and a wide rock cut ditch. Madog ap Llywelyn over-ran the castle through this ditch in his revolt of 1294
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