Editing 664 (section)

====Great Britain & Ireland====
* [[Plague of 664]]
** According to [[Bede]], a Northumbrian [[monk]] and historian, the plague begins shortly after the eclipse of [[1 May]].<ref name="cox"/>
** [[Adomnan of Iona]], a contemporary Irish abbot and saint, writes that the epidemic affects all of Ireland and Great Britain, except for [[Dál Riata]] and [[Picts|Pictland]].<ref name="cox"/>
**  The epidemic significantly depopulates southern coastal areas of [[England]].
* The [[Kingdom of Gwynedd]] is also devastated by the plague; King [[Cadafael Cadomedd ap Cynfeddw|Cadafael Cadomedd]] dies and is succeeded by [[Cadwaladr]], who reasserts himself in his kingdom by sending his son Ivor from [[Brittany (administrative region)|Brittany]] to be [[regent]].
* King [[Ealdwulf of East Anglia|Ealdwulf]] succeeds [[Æthelwold of East Anglia|Æthelwald]] as king of [[Kingdom of East Anglia|East Anglia]]. He becomes the last ruler recorded known to Bede.{{sfn|Yorke|2002|p=63}} During Ealdwulf's reign the plague sweeps across the [[Anglo-Saxons|Anglo-Saxon]] kingdoms.
* [[July 14]] &ndash; The plague claims King [[Eorcenberht of Kent]], who dies after a 24-year reign, and is succeeded by his son [[Ecgberht of Kent|Ecgberht]]. Queen [[Seaxburh of Ely|Seaxburh]] becomes regent, ruling [[Kingdom of Kent|Kent]] until Ecgberht comes of age.
* King [[Swithhelm of Essex|Swithelm of Essex]] dies after a four-year reign. He is succeeded by his cousins [[Sighere of Essex|Sighere]] and [[Sæbbi of Essex|Sæbbi]] (approximate date).
* [[26 October]] &ndash; The plague claims [[Cedd]], [[Bishop of London]].