Editing 652 (section)

==== Arab Empire ====
* [[Arab–Byzantine wars|Arab–Byzantine War]]: An Arab fleet under [[Abdullah ibn Saad|Abdullah ibn Sa'ad]] defeats the [[Byzantine fleet]] (500 ships) off the coast of [[Alexandria]].{{sfn|Muir|1898|loc=Chapter&nbsp;XXVIII, "Caliphate of Othman"|p=206}}
* [[Second Battle of Dongola|Siege of Dongola]]: A [[Rashidun Caliphate|Rashidun]] army (5,000 men) under Abdullah ibn Sa'ad besieges [[Dongola]] in the [[Kingdom of Makuria]] (modern [[Sudan]]).
* [[Uthman ibn Affan]] establishes a [[treaty]] (the [[Baqt]]) between the Christian [[Nubia]]ns and the [[Muslim]]s in [[Egypt]], that lasts for six centuries,<ref>{{cite book |last=Jennings |first=Anne M. |date=1995 |page=26 |title=The Nubians of West Aswan: Village Women in the Midst of Change |publisher=Lynne Reinner |isbn=1-55587-592-0 |url=https://books.google.com/books?id=8tHR1A4qjYwC&q=six+centuries}}</ref> including the tribute of 400 slaves annually.<ref>Manning, P. (1990). Slavery and African life: occidental, oriental, and African slave trades. Storbritannien: Cambridge University Press. p. 28-29</ref>
* [[Abdur Rahman bin Awf|Abdel al Rahman ibn Awf]], companion (''[[sahabah]]'') of [[Muhammad]], frees 30,000 [[Slavery|slaves]] at his death (approximate date).