Editing 680 (section)

== Events ==
<onlyinclude>

=== By place ===

==== Byzantine Empire ====
* [[Byzantine–Bulgarian wars#Asparukh's war|Byzantine–Bulgarian War]]: The [[Bulgarians|Bulgars]] under [[Asparukh of Bulgaria|Asparukh]] subjugate the country of current-day [[Bulgaria]], north of the [[Balkan Mountains]]. Emperor [[Constantine IV]] leads a combined land and sea operation against the invaders and [[Siege|besiege]]s their fortified camp in [[Dobruja]].{{sfn|Bury|1889|pp=333–334}}
* [[Battle of Ongal]]: The [[Byzantine army]] (25,000 men) under [[Constantine IV]] is defeated by the Bulgars and their [[Seven Slavic tribes|Slavic allies]] in the [[Danube Delta]]. Bulgar cavalry force the Byzantines into a rout, while Constantine (suffering from leg pain) travels to [[Nesebar]] to seek treatment.

==== Europe ====
* King [[Wamba (king)|Wamba]] is deposed after an 8-year reign, and forced to retire to a [[monastery]]. He is succeeded by [[Erwig]] who becomes ruler of the [[Visigothic Kingdom]]. 
* King [[Perctarit]] makes his son [[Cunipert]] co-ruler of the [[Kingdom of the Lombards|Lombard Kingdom]]. He signs a formal [[peace treaty]] with [[Constantine IV]]. 
* [[Pippin of Herstal]] becomes [[Mayor of the Palace]] of [[Austrasia]].
*The emporium (market town) of [[Dorestad]] is founded near the mouth of the Rhine, and soon becomes a major trading settlement in the North Sea region (approximate date).{{sfn|Hodges|1984}}

==== Britain ====
* King [[Cædwalla of Wessex]] becomes overly ambitious in a power-struggle with his rival, King [[Centwine of Wessex|Centwine]], for [[Wessex]] overlordship. He is banished into the forests of Chiltern and [[Weald#History|Andred]].{{sfn|Kirby|1992|p=119}}

==== Arabian Empire ====
* [[Yazid I]], son of Muawiyah I, becomes the sixth [[caliph]] (second Umayyad caliph) but [[Kufa]]ns in [[Mesopotamia]] rebel and invite [[Husayn ibn Ali|Hussein ibn Ali]] (grandson of [[Muhammad]]) to take the throne.
* [[October 10]] &ndash; [[Battle of Karbala]]: Forces under Yazid I kill Hussein ibn Ali and his closest supporters.{{sfn|Gordon|2005|pp=144–146}} This event leads to the civil war known as the [[Second Fitna]].

==== Asia ====

* In [[Japan]], Princess [[Empress Jitō|Uno Sarara]] is unwell, and Emperor [[Emperor Tenmu|Tenmu]] begins the erection of the Temple of [[Yakushi-ji]] ([[Nara Prefecture]]). He makes 100 people enter religion as [[priest]]s, wishing her to recover her health.

=== By topic ===

==== Religion ====
* [[September 17]] &ndash; [[Theodore of Tarsus]], [[archbishop of Canterbury]], convenes a [[synod]] at [[Hatfield, Hertfordshire|Hatfield]] that clears the [[Church of England|English Church]] from any association with the [[heresy]] of [[monothelitism]].{{sfn|Collier|Barham|1840|p=250}}
* [[November 7]] &ndash; The [[Third Council of Constantinople]] (Sixth Ecumenical Council) opens in [[Constantinople]] to settle the theological controversies of [[monoenergism]] and monothelitism, ending [[September 16]], [[681]].
* [[Wilfrid]] returns to [[Northumbria]], with [[Pope|papal]] support, but is imprisoned by King [[Ecgfrith of Northumbria|Ecgfrith]], and again [[exile]]d. He travels to the [[Kingdom of Sussex]] and begins to [[Evangelism|evangelise]] the people.
* King [[Merewalh]] of [[Magonsæte]] founds the monastery of [[Wenlock Priory]] in [[Shropshire]], England, appointing his daughter [[Mildburh|Milburga]] as [[Order of Saint Benedict|Benedictine]] abbess.
* Approximate date
** [[Saint Boniface|Boniface]] begins his education at an English Celtic [[Christianity|Christian]] monastery, probably in [[Exeter]] near his birthplace and one of many ''monasteriola'' built by local landowners and churchmen.{{sfn|Schieffer|1972|pp=76–77, 103–105}} 
** The [[Book of Durrow]] is created, probably in Northumbria or on the island of [[Iona]] in the Scottish [[Inner Hebrides]].</onlyinclude>