Edmund the Martyr was king of East Anglia from about 855 until his death.
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Image: Execution of Edmund the Martyr
A St Edmund memorial penny (British Museum)
Arundel Castle in West Sussex
The Kingdom of the East Angles, informally known as the Kingdom of East Anglia, was a small independent kingdom of the Angles during the Anglo-Saxon period comprising what are now the English counties of Norfolk and Suffolk and perhaps the eastern part of the Fens, the area still known as East Anglia.
The golden belt buckle from the Sutton Hoo ship-burial
The Heptarchy, according to Bartholomew's A literary & historical atlas of Europe (1914)