Editing 934 (section)

=== By place ===

==== Byzantine Empire ====
* Spring and Summer &ndash; The [[Principality of Hungary|Hungaria]]ns make an alliance with the [[Pechenegs]], and fight their way through [[Thrace (theme)|Thrace]] to [[Constantinople]]. 
* [[Battle of W.l.n.d.r]]:  The Hungarians and Pechenegs kill Constantinople's inhabitants, inflict severe damage on the countryside, and defeat both the [[Byzantine Empire]] and [[First Bulgarian Empire|Bulgaria]], forcing them to pay [[tribute]]. Emperor [[Romanos I Lekapenos|Romanos I]] signs a [[peace treaty]] with the Hungarians.<ref>Timothy Reuter (1999). ''The New Cambridge Medieval History, Volume III'', p. 543. {{ISBN|978-0-521-36447-8}}.</ref>

==== Europe ====
* King [[Henry the Fowler|Henry I]] ("the Fowler") pacifies the territories to the north, where the Danish [[Vikings]] have been harrying the [[Frisians]] by sea. He defeats the [[Denmark|Danes]] petty King Gnupa, and conquers [[Hedeby]].
* Summer &ndash; Caliph [[Abd-ar-Rahman III|Abd-al-Rahman III]] invades [[Kingdom of Navarra|Navarra]] and forces Queen [[Toda of Pamplona|Toda]] to submit to him. Her son the 15-year-old King [[García Sánchez I of Pamplona|García Sánchez I]] becomes a [[vassal]] of the [[Caliphate of Córdoba]]. 
* [[Haakon the Good|Haakon I]] ("the Good"), a son of the late King [[Harald Fairhair]], once again reunites the kingdom after he has deposed his half-brother [[Eric Bloodaxe]]. Haakon is installed as king of [[Kingdom of Norway (872–1397)|Norway]].
* The [[Eldgjá]] volcanic eruption is the largest [[Flood basalt|basalt flood]] in history (first documented).

==== England ====
* King [[Brycheiniog#Dependency|Tewdwr of Brycheiniog]] attends the court of King [[Æthelstan]] and signs the [[Anglo-Saxon charters|English Land Charters]]. Kings [[Hywel Dda]] of [[Deheubarth]], [[Idwal Foel]] of [[Kingdom of Gwynedd|Gwynedd]] and [[List of rulers of Wales#Morgannwg|Morgan Mwynfawr]] ("the Old") of [[Glywysing|Morgannwg]] are compelled to accompany Æthelstan on [[Æthelstan's invasion of Scotland|his campaign]] against King [[Constantine II of Scotland]].

==== Abbasid Caliphate ====
* [[April 24]] &ndash; [[Abbasid caliph]] [[al-Qahir]] is deposed and blinded; he is succeeded by his nephew [[ar-Radi]].
* Summer &ndash; [[Imad al-Dawla|Ali ibn Buya]], a [[Samanid Empire|Samanid]] governor, takes advantage of the [[anarchy]] in [[Iran|Persia]] and conquers [[Fars province|Fars]] (modern [[Iran]]). He founds the [[Buyid dynasty|Buyid Dynasty]], and makes [[Shiraz]] his capital. Ali seeks the recognition of the [[Abbasid Caliphate|Abbasid]] caliph [[Ar-Radi]], who confirms him later as his [[viceroy]].

==== Asia ====
* [[March 16]] &ndash; [[Meng Zhixiang]], a military governor (''[[jiedushi]]''), declares himself emperor (formally called "Gaozu") and establishes [[Later Shu]] as a new Chinese state, independent of [[Later Tang]]. He dies after a short-lived five-month reign and is succeeded by his son [[Meng Chang]].
* [[Goryeo]] forces push the army of [[Later Baekje|Hubaekje]] back into its heartland and defeat them finally at [[Hongseong County|Hongseong]] (modern [[South Korea]]).