Editing 851 (section)

== Deaths ==
* [[March 7]] &ndash; [[Nominoe]], king (or [[duke]]) of [[Duchy of Brittany|Brittany]]
* [[March 20]] &ndash; [[Ebbo]], archbishop of [[Roman Catholic Archdiocese of Reims|Reims]]
* [[July 16]] &ndash; [[Sisenandus of Beja|Sisenandus]], deacon and martyr<ref name="AgiologioLusitano">{{cite book |last=Sousa |first=António Caetano de |date=1744 |title=Agiologio Lusitano dos santos, e varoens illustres em virtude do Reino de Portugal, e suas Conquistas |trans-title=Lusitanian Hagiology, of the saints and men illustrious in their virtue from the Kingdom of Portugal |url=https://archive.org/details/agiologiolusitan04card_0 |language=pt |location=Lisbon |publisher=Regia Officina Sylviana, e da Academia Real |volume=''' '''Volume IV |pages=199–201 }}</ref>
* [[Cináed mac Conaing]], king of [[Kings of Brega|Brega]] ([[Ireland]])
* [[Ermengarde of Tours]], Frankish empress
* [[Íñigo Arista of Pamplona|Íñigo Arista]], king of [[Kingdom of Pamplona|Pamplona]] (or [[852]])
* [[Ishaq ibn Yahya ibn Mu'adh]], Muslim governor
* [[Mor Frideborg]], Swedish [[Nobility|noblewoman]]
* [[Muhammad ibn Ishaq ibn Ibrahim|Muhammad ibn Ishaq]], Muslim governor
* [[Ólchobar mac Cináeda]], king of [[Munster]] (Ireland)
* [[Radelchis I of Benevento|Radelchis I]], prince (or duke) of [[Duchy of Benevento|Benevento]]
* [[Siconulf of Salerno|Siconulf]], prince of [[Principality of Salerno|Salerno]] (approximate date)
* [[Vlastimir]], prince of [[Principality of Serbia (early medieval)|Serbia]] (approximate date)
* [[Zhou Chi]], [[Chancellor of the Tang dynasty|chancellor of the Tang Dynasty]] (b. [[793]])