Editing 820

{{Use mdy dates|date=February 2011}}
{{About year|820}}
{{Year nav|820}}
{{M1 year in topic}}
[[File:Michael II and Theophilos solidus.jpg|upright=1.35|thumb|Emperor [[Michael II]] and his son [[Theophilos (emperor)|Theophilos]]]]
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Year '''820''' ('''[[Roman numerals|DCCCXX]]''') was a [[leap year starting on Sunday]] of the [[Julian calendar]].

== Events ==
<onlyinclude>

=== By place ===
====Abbasid Caliphate ====
*Abbasid caliph [[Al-Ma'mun]] appointed [[Isa ibn Yazid al-Juludi]] as Abbasid governor of Yemen for few months.
*Caliph Al-Ma'mun appointed [[Hisn ibn al-Minhal]] as Abbasid governor of Yemen for few months.
*Caliph Al-Ma'mun appointed [[Ibrahim al-Ifriqi]] as Abbasid governor of Yemen. He remained in office until 821.
*Caliph al-Ma'mun appointed [[Abu Nasr ibn al-Sari]] as Abbasid governor of Egypt.

==== Byzantine Empire ====
* [[December 25]] &ndash; Emperor [[Leo V the Armenian|Leo V]] ('''the Armenian''') is assassinated by conspirators in the [[Hagia Sophia]], at [[Constantinople]]. Though unarmed, he fights back fiercely but dies of his wounds. He is succeeded by [[Michael II]], the commander of the [[Imperial guard|palace guard]] (''[[Excubitors|excubitores]]''). Leo's family (including his mother and his wife [[Theodosia, wife of Leo V|Theodosia]]) are [[exile]]d to monasteries in [[Prince Islands|Princes' Islands]].<ref>[[Theophanes Continuatus]], pp. 40–41.</ref>

==== Ireland ====
* [[Fedelmid mac Crimthainn]] assumes the kingship as ruler of [[Munster]] (modern [[Ireland]]).

==== China ====
* Emperor [[Emperor Xianzong of Tang|Xian Zong]] dies from poisoning (due to [[medicine]]s), after a 14-year reign. He is succeeded by his son [[Emperor Muzong of Tang|Mu Zong]], as ruler of the [[Tang dynasty]].
</onlyinclude>

== Births ==
* [[Adalbert I, Margrave of Tuscany|Adalbert I]], Frankish [[margrave]] (approximate date)
* [[Adelaide of Tours]], Frankish noblewoman (approximate date)
* [[Álmos]], military leader (''[[Gyula (title)|gyula]]'') of the [[Magyar tribes|Hungarians]] (approximate date)
* [[Anandavardhana]], Indian [[Philosophy|philosopher]] (d. [[890]])
* [[Ashot I of Armenia|Ashot I]] ("the Great"), king of [[Armenia]] (approximate date)
* [[Buhturi]], Syrian [[Arabic poetry|poet]] (d. [[897]])
* [[Godfrid Haraldsson]], Danish [[Vikings|Viking]] king (approximate date)
* [[Grimbald]], Frankish [[Order of Saint Benedict|Benedictine]] monk (d. [[901]])
* [[Hucbert]], Frankish [[Nobility|nobleman]] (d. [[864]])
* [[Ibn Khordadbeh]], Persian [[geographer]] (approximate date)
* [[Qusta ibn Luqa]], Syrian [[Melkite]] physician (d. [[912]])
* [[Ranulf I of Aquitaine]], Frankish nobleman (d. [[866]])
* [[Rhodri the Great]], king of [[Kingdom of Gwynedd|Gwynedd]] ([[Wales]]) (approximate date)

== Deaths ==
* [[September 14]], [[Li Yong (chancellor)|Li Yong]], [[chancellor of the Tang dynasty]]
* [[December 25]], [[Leo V the Armenian|Leo V]], emperor of the [[Byzantine Empire]] (b. [[775]])
* [[Adi Shankara]], Indian philosopher and theologian (b. [[788]])
* [[Causantín mac Fergusa]], king of the [[Picts]]<ref>{{cite book |editor1-last=Lynch |editor1-first=Michael |title=The Oxford companion to Scottish history |date=February 24, 2011 |publisher=Oxford University Press |isbn=9780199693054 |page=70}}</ref>
* [[Huangfu Bo]], chancellor of the Tang dynasty
* [[Lupo III Centule of Gascony|Lupo III]], duke of [[Duchy of Gascony|Gascony]] (approximate date)
* [[Al-Shafi‘i|Muhammad ibn Idris al-Shafi‘i]], Muslim [[Shia Islam|imam]] (b. [[AD 767|767]])
* [[Olcobhar mac Cummuscach]], abbot of [[Clonfert]]
* [[Song Ruoxin]], Chinese scholar and [[Chinese poetry|poet]] (b. [[768]])
* [[Tnúthgal mac Donngaile]], king of [[Munster]]
* [[Tutu Chengcui]], [[eunuch]] and advisor of the Tang dynasty
* [[Wang Chengzong]], general of the Tang dynasty
* [[Emperor Xianzong of Tang|Xian Zong]], emperor of the Tang dynasty (b. [[778]])

== References ==
{{Reflist}}

{{DEFAULTSORT:820}}
[[Category:820| ]]