Llywelyn ap Gruffudd attacks and temporarily captures Builth Castle, demonstrating his growing power in mid-Wales and pressuring the English Marcher lords. The action tests Edward I predecessor Henry III inability to defend the March and encourages Llywelyn to press for recognition of his overlordship.
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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