Editing 636 (section)

==== Arabia ====
* [[August 15]]&ndash;[[August 20|20]] &ndash; [[Battle of Yarmouk]]: In engagements along the [[Yarmouk River]], Muslim forces (25,000 men){{sfn|Nicolle|1994|p=43}} of the [[Rashidun Caliphate]], led by [[Khalid ibn al-Walid]], decisively defeat the armies of the [[Byzantine Empire]], effectively completing the [[Muslim conquest of Syria]]. It will be regarded as one of the most decisive battles in military history,<ref>{{cite book|title=Islam at War|year=2003|first1=George F.|last1=Nafziger|first2=Mark W.|last2=Walton|location=Westport, CT|publisher=Greenwood Publishing|isbn=0-275-98101-0|pages=30}}</ref>{{sfn|Nicolle|1994|pp=6, 19}} marking the first great wave of [[Early Muslim conquests|Muslim conquests]], after the death of [[Muhammad]].
* The city of [[Basra]] (modern [[Iraq]]) is founded on the [[Shatt al-Arab]], at the head of the [[Persian Gulf]]. The port will become a major trading center for commodities from [[Arabian Peninsula|Arabia]], India, and [[Sasanian Empire|Persia]].
* [[November 16]]&ndash;[[November 19|19]] &ndash; [[Battle of al-Qādisiyyah]]: The Muslim Arab army defeats the Persian forces under [[Rostam Farrokhzād]], at [[Al-Qādisiyyah (historical city)|Al-Qādisiyyah]] (Southern [[Mesopotamia]]).