An Iron Ring of Castles is in many ways just like it sounds: a series of castles built around Wales to control the populace after the death of Llywelyn ap Gruffydd, the last Prince of Wales. In the 1270s and 1280s primarily, Edward I began the construction of this ring. The castles were focused in the north, in Gwynedd, since that region had always been a hotbed of Welsh resistance and resentment of English authority, and it was there that he built some of the most impressive monuments to his victory.  http://www.castlewales.com/edward1.html He began in the northeast with three castles: Hawarden, Flint, and Rhuddlan, all built before the 1282 war. Hawarden was the first castle attacked by Dafydd ap Gruffydd on Palm Sunday, 1282, when he started what became the final war with England.  Edward began Flint in 1277, bringing Read more…