Editing 266 (section)

== Events ==
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=== By place ===
==== Roman Empire ====
* King [[Odaenathus]] of [[Palmyrene Empire|Palmyra]] invades [[Sassanid Empire|Persia]] to conquer the capital, [[Ctesiphon]], and twice comes as far as the walls of the Persian capital, but fails to take it.<ref>[https://books.google.com/books?id=oRyDnAwJCTwC&pg=PA214 Who's Who in the Roman World] By John Hazel</ref><ref>[https://books.google.com/books?id=QybaAAAAMAAJ&q=odaenathus+ctesiphon++walls Babylonia Judaica in the Talmudic Period] By A'haron Oppenheimer, Benjamin H. Isaac, Michael Lecker</ref><ref>[https://books.google.com/books?id=H4YVAQAAMAAJ&q=odaenathus+ctesiphon+failed The New Encyclopædia Britannica]</ref> After his victories in the East, he pronounces himself with the title "king of kings".
* A powerful tropical volcanic eruption around this year brings a below-average [[flood of the Nile]] next year.<ref>[https://www.sciencedaily.com/releases/2021/01/210125113133.htm Climate change in antiquity: Mass emigration due to water scarcity]. sciencedaily.com January 25, 2021</ref>

==== Ireland ====
* The rule of High King [[Cormac mac Airt]] ends (approximate date).

==== Asia ====
* [[February 4]] &ndash; [[Emperor Wu of Jin|Sima Yan]], regent of the Chinese state of [[Cao Wei]], forces the last Cao Wei emperor [[Cao Huan]] to abdicate in his favour. The Cao Wei state's existence comes to an end. Sima Yan establishes the [[Jin dynasty (265–420)|Jin Dynasty]], and becomes its first emperor on [[8 February]], and is historically known as "Wu of Jin". He establishes his capital at [[Luoyang]], and gives his male relatives independent military commands throughout his empire.
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