Edward I forces under Roger Mortimer and Roger de Clifford besiege Dolforwyn Castle, Llywelyn ap Gruffudd last significant castle in mid-Wales built against English wishes in 1273. The garrison holds briefly before surrendering. Its fall cuts off Llywelyn from the middle March and isolates Gwynedd.
Aubrey generates in-depth historical research for any location in Britain — drawing on Domesday records, scheduled monuments, Victorian OS maps, geological data and archaeological archives to tell the full story of a place.
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