Editing 635 (section)

=== By place ===
==== Byzantine Empire ====
* Emperor [[Heraclius]] makes an [[Military alliance|alliance]] with [[Kubrat]], ruler (''[[khagan]]'') of [[Old Great Bulgaria|Great Bulgaria]], to break the power of the [[Avars (Carpathians)|Avars]] on the [[Balkans|Balkan Peninsula]].

==== Europe ====
* [[Saint Judicaël|Judicaël]], [[high king]] of [[Domnonée]] ([[Brittany]]), visits [[Kings of the Franks|King]] [[Dagobert I]] at his palace in [[Clichy, Hauts-de-Seine|Clichy]] (northwest of Paris), to promise he will remain under [[Francia|Frankish]] lordship. The [[Breton people|Breton]] king arrives with gifts, but insults Dagobert by refusing to eat at the royal table.<ref>{{cite book |first=Julia M. H. |last=Smith |date=1992 |pages=19, 21 |title=Province and Empire: Brittany and the Carolingians |url={{google books |plainurl=y |id=sUzJl8I-S0EC |page=19}} |publisher=Cambridge University Press |isbn=978-0-521-03030-4}}</ref>

==== Britain ====
* King [[Meurig ap Tewdrig|Meurig]] of [[Glywysing]] and [[Kingdom of Gwent|Gwent]] invades [[Ergyng]] ([[Archenfield]]), and reunites the two Welsh kingdoms (approximate date).
* King [[Gartnait III of the Picts|Gartnait III]] dies after a 4-year reign, and is succeeded by his brother [[Bridei II of the Picts|Bridei II]], as ruler of the [[Picts]].

==== Arabia ====
* [[January]] &ndash; [[Battle of Fahl]]: The [[Rashidun army]], (30,000 men) under [[Khalid ibn al-Walid]] (known as the "Drawn Sword of [[Allah|God]]"), defeats the [[Byzantine Empire|Byzantine]] forces led by [[Theodore Trithyrius]], at [[Pella, Jordan|Pella]] in the [[Jordan River|Jordan Valley]] ([[Jordan]]).
* [[Gaza City|Gaza]] is conquered by the Muslim Arabs under [['Amr ibn al-'As]]. It becomes the first city in [[Palestine (region)|Palestine]] developed into a centre of [[Fiqh|Islamic law]].