Editing 884 (section)

== Events ==
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=== By place ===
==== Europe ====
* [[March 1]] &ndash; [[Diego Rodríguez Porcelos]], count of [[Kingdom of Castile|Castile]], founds and repopulates (''[[repoblación]]'') [[Burgos]] and [[Merindad de Río Ubierna|Ubierna]] (Northern [[Spain]]), under the mandate of King [[Alfonso III of Asturias]].{{Sfn|Martínez Díez|2005|pp=163 and 178}} 
* Summer &ndash; King [[Carloman II]] reverts to the former fall-back of 'pay and pray', buying (with [[Danegeld]]) a truce at [[Amiens]], while he raises 12,000 lbs of [[silver]] for the [[Vikings]] to depart. 
* [[December 12]] &ndash; Carloman II dies after a [[hunting]] accident. He is succeeded by his cousin, Emperor [[Charles the Fat]], who for the last time reunites the [[Francia|Frankish Empire]].

==== Britain ====
* King [[Æthelred, Lord of the Mercians|Æthelred II of Mercia]] marries Princess [[Æthelflæd]], daughter of King [[Alfred the Great]]. He accepts [[Wessex]] overlordship, and demotes himself to become "Lord of the [[Mercia]]ns".

==== Arabian Empire ====
* [[January 6]] &ndash; [[Hasan ibn Zayd]], founder of the [[Alid dynasties of northern Iran|Zaydid Dynasty]], dies after a 20-year reign at [[Amol|Amul]]. He is succeeded by his brother [[Muhammad ibn Zayd|Muhammad]], as [[emir]] of [[Tabaristan]].
* [[May 10]] &ndash; [[Ahmad ibn Tulun]], founder of the [[Tulunids|Tulunid Dynasty]], dies after a 15-year reign. He is succeeded by his son [[Khumarawayh ibn Ahmad ibn Tulun|Khumarawayh]], as ruler of [[Egypt in the Middle Ages|Egypt]] and [[Syria (region)|Syria]].
* Fall &ndash; The [[Arabs]] sack the abbey of [[Monte Cassino]] in two raids (September and November). The bulk of the [[Monasticism|monastic]] community flee to [[Teano]] ([[Campania]]).

==== Asia ====
* [[March 4]] &ndash; Emperor [[Emperor Yōzei|Yōzei]] is forced to abdicate the [[throne]] by [[Fujiwara no Mototsune]], chancellor (''[[Sesshō and Kampaku|kampaku]]'') of the Japanese royal [[Court (royal)|court]]. He is succeeded by his great-uncle [[Emperor Kōkō|Kōkō]].
* The [[Huang Chao]] rebellion is suppressed by forces of Emperor [[Emperor Xizong of Tang|Xi Zong]], with the help of the [[Shatuo|Shatuo Turks]]. Chinese [[warlord]]s rule the country, instead of the imperial [[government]].

=== By topic ===
==== Religion ====
* [[May 15]] &ndash; Pope [[Pope Marinus I|Marinus II]] dies at [[Rome]], after a reign of less than 1½ years. He is succeeded by [[Pope Adrian III|Adrian III]] (also referred to as Hadrian III), as the 109th [[pope]] of the [[Catholic Church]].
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