Editing 789 (section)

==== Britain ====
* King [[Beorhtric of Wessex]] marries Princess [[Eadburh]], daughter of King [[Offa of Mercia]], and accepts [[Mercia]]n overlordship.
* [[Causantín mac Fergusa|Constantine I]] is installed as king of the [[Picts]]. He becomes one of the greatest [[Scotland|Scottish]] monarchs in the [[Viking Age|Viking period]].
* The ''[[Anglo-Saxon Chronicle]]'' records the [[Viking activity in the British Isles|first appearance]] of [[Vikings]] in [[England]]. The Viking raid on [[Isle of Portland|Portland]] in [[Dorset]] is the first of its kind recorded in the [[British Isles]], including [[Ireland]]. The [[Reeve (England)|reeve]] of [[Dorchester, Dorset|Dorchester]] (a local high-ranking official) goes to greet them after they land, perhaps accustomed to welcoming [[Scandinavia]]n merchants. He is killed. Viking attacks increase in intensity over the coming decades.<ref>{{cite book|last=Rees|first=Rosemary|url=https://archive.org/details/vikings0000rees|title=The Vikings|publisher=Heinemann|year=2002|isbn=9781403401007|page=[https://archive.org/details/vikings0000rees/page/45 45]|url-access=registration}}</ref><ref>{{cite book|last=Sprague|first=Martina|url=https://archive.org/details/norsewarfareunco0000spra|title=Norse Warfare: The Unconventional Battle Strategies of the Ancient Vikings|publisher=Hippocrene|year=2007|isbn=9780781811767|page=[https://archive.org/details/norsewarfareunco0000spra/page/10 10]|url-access=registration}}</ref><ref>{{cite book|last=Wales|first=Katie|url=https://books.google.com/books?id=IaOuTaQ5zq4C&pg=PA53|title=Northern English: A Social and Cultural History|publisher=Cambridge UP|year=2006|isbn=9781139457057|page=53}}</ref>