Editing 837

{{Use mdy dates|date=February 2011}}
{{About year|837}}
{{Year nav|837}}
{{M1 year in topic}}
[[File:Philippi Inscription 1.JPG|upright=1.35|thumb|The [[Presian Inscription]]  ([[Philippi]], [[Greece]])]]
__NOTOC__
Year '''837''' ('''[[Roman numerals|DCCCXXXVII]]''') was a [[common year starting on Monday]] of the [[Julian calendar]].

== Events ==
<onlyinclude>

=== By place ===
==== Byzantine Empire ====
* [[Byzantine–Arab wars (780–1180)#Period of 780–842|Byzantine–Arab War]]: Emperor [[Theophilos (emperor)|Theophilos]] leads a massive Byzantine expeditionary force into [[Mesopotamia]]. He sacks the cities [[Arsamosata]] and [[Sack of Amorium#Background|Sozopetra]] — which some sources claim as the birthplace of [[Abbasid Caliphate|Abbasid]] caliph [[Al-Mu'tasim]] — and forces [[Malatya|Melitene]] to pay [[tribute]].<ref name="Treadgold440">{{A History of the Byzantine State and Society|page=440}}</ref>
* The [[Slavs]] in the vicinity of [[Thessaloniki]] revolt against the [[Byzantine Empire]]. Theophilos undertakes an [[Forced migration|evacuation]] of some Byzantine captives, who are settled in trans-[[Danube|Danubian]] [[Bulgaria]].

==== Europe ====
* [[Presian I of Bulgaria|Presian I]], ruler (''[[Khan (title)|khan]]'') of the [[First Bulgarian Empire|Bulgarian Empire]], sends his prime-minister [[Isbul]] against the [[Smolyani]] (a Slavic tribe in Byzantine territory near the [[Struma (river)|Struma River]]). The Bulgarian army campaigns along the [[Aegean Sea|Aegean]] coasts, and conquers most of [[Thrace]] and [[Macedonia (region)|Macedonia]], including the fortress city of [[Philippi]], as recorded in the [[Presian Inscription]].<ref>{{The Early Medieval Balkans|page=109}}</ref>
* The city of [[Naples]] (modern [[Italy]]) is attacked by [[Saracen]]s from [[Egypt]] demanding an annual payment (approximate date).

==== Britain ====
* King [[Drest IX]] dies after a 3-year reign. He is succeeded as ruler of the [[Picts]] by his cousin [[Eóganan mac Óengusa]].

=== By topic ===
==== Astronomy ====
* [[April 10]] &ndash; [[Halley's Comet]] passes approximately [[1 E9 m|5 million km]] from [[Earth]], its closest ever approach.</onlyinclude>

== Births ==
* [[Al-Muntasir]], Muslim [[caliph]] (d. [[862]])
* [[Baldwin I, Margrave of Flanders|Baldwin I]], [[margrave of Flanders]] (approximate date)
* [[Ibn Duraid]], Muslim poet and [[Philology|philologist]] (d. [[933]])
* [[Ibn Khuzaymah]], Muslim [[hadith]] and scholar (d. [[923]])

== Deaths ==
* [[Antony I of Constantinople|Antony I]], [[Ecumenical Patriarch of Constantinople|patriarch of Constantinople]]
* [[Drest IX]], king of the [[Picts]]
* [[Eadwulf of Lindsey|Eadwulf]], bishop of [[Kingdom of Lindsey|Lindsey]]
* [[Giovanni I Participazio|Giovanni I]], doge of [[Republic of Venice|Venice]] 
* [[Hugh of Tours]], Frankish [[Nobility|nobleman]]
* [[Li Zaiyi]], general of the [[Tang dynasty|Tang Dynasty]] (b. [[788]])
* [[Maxentius of Aquileia|Maxentius]], patriarch of [[Aquileia]]
* [[Oliba I of Carcassonne|Oliba I]], Frankish nobleman
* [[Peter of Atroa]], Byzantine [[abbot]] (b. [[773]])

== References ==
{{Reflist}}

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[[Category:837| ]]