Æthelberht II of East Anglia attempted to assert independence and visited Offa's court in Herefordshire, possibly to negotiate a marriage alliance. Instead Offa had him beheaded at Sutton Walls. The episode likely involved a failed military or political challenge by East Anglia against Mercian 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.
Research a location near Norfolk