Editing AD 679 (section)

=== By place ===

==== Byzantine Empire ====
* Emperor [[Constantine IV]] signs a peace treaty, of a nominal 30-year duration, with Caliph [[Mu'awiya I]] of the [[Umayyad Caliphate]]. Constantine pays an annual [[tribute]] of 3,000 (''[[Solidus (coin)|nomismata]]'') pounds of gold, 50 horses and 50 slaves. The [[Arabs|Arab]] garrisons are withdrawn from their bases on the [[Byzantine Empire|Byzantine]] coastlands, including [[Crete]] & [[Cyzicus]].{{sfn|Haldon|1990|p=64}}<ref>Kaegi (2008), pp. 381–382{{full citation needed|date=September 2021}}</ref>{{sfn|Lilie|1976|pp=81–82}}{{sfn|Treadgold|1997|p=327}}

==== Europe ====
* [[December 23]] &ndash; King [[Dagobert II]] is murdered in a [[hunting]] accident, near [[Stenay|Stenay-sur-Meuse]] ([[Ardennes]]), probably on orders from [[Pepin of Herstal]], the [[mayor of the palace]] of [[Austrasia]].<ref>E. Vagandard (1902), "Revue des Questions Historiques", pp. 63–67</ref> He is succeeded by [[Theuderic III]], who becomes sole ruler of the [[Francia|Frankish Kingdom]].

==== Britain ====
* King [[Æthelred of Mercia]] marries Princess [[Osthryth]], sister of King [[Ecgfrith of Northumbria]] (approximate date).

==== Americas ====
* [[Nuun Ujol Chaak]], an [[ajaw]] of the [[Maya city]] of [[Tikal]], is by this year deceased, after his final defeat at the hands of [[Bʼalaj Chan Kʼawiil]], during the [[Second Tikal–Calakmul War]].