View source for 815

{{Use mdy dates|date=February 2011}}
{{About year|815}}
{{Year nav|815}}
{{M1 year in topic}}
[[File:Settlement of Iceland.svg|upright=1.35|thumb|Map indicating travels of first [[Scandinavia]]ns]]
[[File:The Norwegians land in Iceland year 872.jpg|upright=1.35|thumb|[[Norsemen]] landing in [[Iceland]] (9th century)]]
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Year '''815''' ('''[[Roman numerals|DCCCXV]]''') was a [[common year starting on Monday]] of the [[Julian calendar]], the 815th year of the [[Common Era]] (CE) and [[Anno Domini]] (AD) designations, the 815th year of the [[1st millennium]], the 15th year of the [[9th century]], and the 6th year of the [[810s]] decade.

== Events ==
<onlyinclude>

=== By place ===
==== Byzantine Empire ====
* [[Byzantine–Bulgarian Treaty of 815|Byzantine–Bulgarian Treaty]]: Emperor [[Leo V the Armenian]] signs a 30-year peace agreement in [[Constantinople]] with [[Omurtag]], ruler (''[[Khan (title)|khan]]'') of the [[First Bulgarian Empire|Bulgarian Empire]]. The [[Rhodope Mountains]] become the Byzantine border again, and Leo regains its lost [[Black Sea]] cities, after the [[Bulgars]] have them demolished.<ref>{{The Early Medieval Balkans|page=106}}</ref>

==== Central America ====
*[[April 2]] &ndash; Sihyaj K'in Ich’aak II becomes the new [[Maya rulers|ruler of the Mayan city state]] of [[Machaquila]] in [[Guatemala]] after the death of Ochk'in Kaloomte' Aj Ho' Baak, and reigns until early [[824]].

==== Europe ====
* [[Hrafna-Flóki Vilgerðarson]] sets out from the [[Faroe Islands]] and discovers [[Iceland]] (documented later in the ''[[Landnámabók]]'') (approximate date).

==== Britain ====
* King [[Egbert of Wessex]] ravages the territories of the remaining British kingdom [[Dumnonia]], known as the West [[Wales|Welsh]] ([[Cornwall]]).<ref name=Swanton_58>Swanton, ''Anglo-Saxon Chronicle'', pp. 58–59.</ref>

==== Asia ====
* Emperor [[Emperor Saga|Saga]] of [[Japan]] is the first [[Sovereignty|sovereign]] to drink [[tea]] (according to [[Japanese mythology|legend]]), imported from [[China]] by [[monk]]s. The [[upper class]]es adopt this [[Drink|beverage]] for [[Medicine|medicinal]] use.
* [[July 13]] &ndash; [[Wu Yuanheng]], Chinese [[Chancellor of the Tang dynasty|chancellor of the Tang Dynasty]], is murdered by [[Assassination|assassin]]s of warlord [[Wu Yuanji]], in [[Chang'an#South Central Chang'an|Chang'an]].

=== By topic ===
==== Religion ====
* [[Council of Constantinople (815)|Synod of Constantinople]]: A council led by patriarch [[Theodotus I of Constantinople|Theodotus I]], in the [[Hagia Sophia]], reinstitutes [[Byzantine Iconoclasm|iconoclasm]].<ref>{{Oxford Dictionary of Byzantium|pages= 513–514}}</ref>
</onlyinclude>

== Births ==
* [[Abu Hanifa Dinawari]], Muslim [[Botany|botanist]] and [[Islamic geography|geographer]] (d. [[896]]) 
* [[Pope Boniface VI|Boniface VI]], pope of the [[Catholic Church]] (d. 896)
* [[Dawud al-Zahiri]], Muslim [[Ulama|scholar]] (approximate date)
* [[Eberhard of Friuli|Eberhard]], duke of [[Friuli]] (approximate date)
* [[Johannes Scotus Eriugena]], Irish [[Theology|theologian]] (approximate date)
* [[Leoluca]], Sicilian [[abbot]] (approximate date)
* [[Saints Cyril and Methodius|Methodius]], Byzantine [[missionary]] and bishop (d. [[885]])
* [[Theodora (wife of Theophilos)|Theodora]], Byzantine empress (approximate date)

== Deaths ==
* [[February 15]] &ndash; [[Ibn Tabataba]], Zaydi anti-caliph<ref>{{EI2 | last = Scarcia Amoretti | first = B. | title = Ibn Ṭabāṭabā | volume = 3 | pages = 950–951}}</ref>
* [[July 13]] &ndash; [[Wu Yuanheng]], [[Chancellor of the Tang dynasty|chancellor of the Tang Dynasty]] (b. [[758]])
* [[October 18]] &ndash; [[Abu'l-Saraya]], Zaydi rebel leader<ref>{{EI2 | last = Gibb | first = H. A. R. | title = Abu ’l-Sarāyā al-Sarī b. Manṣūr al-S̲h̲aybānī | volume = 1 | pages = 149–150 | doi =10.1163/1573-3912_islam_SIM_0249}}</ref>
* [[Jābir ibn Hayyān]] ('''Geber'''), Muslim [[Alchemy|alchemist]] (approximate date)
* [[Laylā bint Ṭarīf]], Arab woman warrior poet
* [[Mashallah ibn Athari]], Jewish-Arab [[Astrology|astrologer]] 
* [[Muirgius mac Tommaltaig]], king of [[Connacht]] ([[Ireland]])
* [[Omar Tiberiades]], Persian [[Astrology|astrologer]] (approximate date)
* [[Sadnalegs]], emperor of [[Tibetan Empire|Tibet]] (approximate date)

== References ==
{{Reflist}}

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[[Category:815| ]]