Editing 803 (section)

== Events ==
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=== By place ===
==== Byzantine Empire ====
* Emperors [[Nikephoros I]] and [[Charlemagne]] settle their imperial boundaries in the [[Adriatic Sea]], and sign the [[Pax Nicephori]] ("Peace of Nikephoros"). The Byzantines retain control of the coastal cities and islands in [[Dalmatian Croatia]], while [[Francia|Frankish]] rule is accepted over [[Istria]] and the Dalmatian hinterland.<ref>Florin Curta: Southeastern Europe in the Middle Ages, 500-1250, p. 135.</ref> [[Venice]] is recognized as independent by the [[Byzantine Empire under the Nikephorian dynasty|Byzantine Empire]].
* Summer &ndash; [[Bardanes Tourkos]], Byzantine general (''[[Strategos#Byzantine use|strategos]]''), is proclaimed emperor by the troops of the [[Anatolic Theme|Anatolic]], [[Opsikion]], [[Thracesian Theme|Thracian]] and [[Bucellarian Theme|Bucellarian]] themes. The 'rebel' army marches to [[Üsküdar#Chrysopolis|Chrysopolis]], a suburb of [[Constantinople]]. After the defection of two of his trusted [[Aide-de-camp|aide]]s, future emperors [[Leo V the Armenian|Leo the Armenian]] and [[Michael II|Michael the Amorian]], Bardanes negotiates peace.

==== Europe ====
* [[May]] &ndash; [[Krum]], ruler ([[Khan (title)|khan]]) of the [[First Bulgarian Empire|Bulgarian Empire]], begins his territorial expansion and raids the Byzantine northern frontier. He leads his warriors — mostly [[Bulgars]], [[Slavs]], Thracians and  Macedonians — across the [[Carpathian Mountains]], over the [[Danube|Danube River]], and throughout [[Transylvania]], [[Thrace]], and [[Macedonia (theme)|Macedonia]].
* [[St. Peter Stiftskulinarium]], possibly [[Central Europe]]'s oldest [[restaurant]], is founded in [[Salzburg, Austria]].<ref>[http://www.mytravelguide.com/restaurants/profile-79557805-Austria_Salzburg_Stiftskeller_St_Peter.html MYTravelGuide] {{Webarchive|url=https://web.archive.org/web/20110714144619/http://www.mytravelguide.com/restaurants/profile-79557805-Austria_Salzburg_Stiftskeller_St_Peter.html |date=July 14, 2011 }} Stifskeller St Peter.</ref>

==== Abbasid Caliphate ====
* Caliph [[Harun al-Rashid]] has his friend and vizier (secretary) [[Ja'far ibn Yahya]] [[Capital punishment|beheaded]], The surviving members of the influential [[Barmakid]] family (Jafar's family) are imprisoned on the orders of Harun, and their property is [[Confiscation|confiscated]].
* Marriage of caliph [[Harun al-Rashid]] and [[Umm Muhammad bint Salih|Umm Muhammad]]; She was the daughter of [[Abbasid dynasty|Abbasid]] prince Salih al-Miskin and Umm Abdullah, the daughter of Isa ibn Ali. They married in November–December 803 in Al-Raqqah. She had formerly been married to [[Ibrahim ibn al-Mahdi]], who had repudiated her.{{sfn|al-Tabari|Bosworth|1989|p=326}}
* The [[803 Mopsuestia earthquake]] takes place in the vicinity of [[Mopsuestia]], and the [[Gulf of Alexandretta]] (İskenderun) <ref name="Antonopoulos">Antonopoulos, 1980</ref>

=== By topic ===
==== Religion ====
* [[October 12]] &ndash; The [[Councils of Clovesho#The Council of 803|Synod of Clofesho]] (possibly [[Brixworth]]) is held, at which the [[Bishop of Lichfield|Archbishopric of Lichfield]] is demoted to an ordinary [[Diocese|bishopric]], with [[Pope|papal]] permission obtained by King [[Coenwulf of Mercia]].
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