Editing 240 (section)

== Events ==
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=== By place ===
==== Roman Empire ====
* The [[Roman Empire]] is threatened on several fronts at the same time. [[Africa (Roman province)|Africa]] revolts and tribes in northwest [[Germania]], under the name of the [[Franks]], are raiding the [[Rhine]] frontier.

==== Persia ====
* [[April 12]] &ndash; Prince [[Shapur I]] becomes co-ruler of the [[Sasanian Empire]] with his father King [[Ardashir I]].
* [[Fall of Hatra|Siege of Hatra]]: The Sasanians besiege the capital of the [[Kingdom of Hatra]] ruled by [[Sanatruq II]].<ref>{{cite book |last1=Edwell |first1=Peter |title=Between Rome and Persia: The Middle Euphrates, Mesopotamia and Palmyra Under Roman Control |date=2007 |publisher=Routledge |isbn=9781134095735 |page=168 |language=en}}</ref>

==== India ====
* [[Gupta (king)|Maharaja Sri-Gupta]] becomes ruler of the [[Gupta Empire]] (approximate date).

=== By topic ===
==== Religion ====
* [[Mani (prophet)|Mani]], a young mystic of [[Ctesiphon]], proclaims himself a [[prophet]] at the court of Ardashir I. He preaches his doctrine, [[Manichaeism]], throughout the Sassanid Empire.<ref>{{Cite book |last=Gulácsi |first=Zsuzsanna |url=https://books.google.com/books?id=rUUpCwAAQBAJ |title=Mani's Pictures: The Didactic Images of the Manichaeans from Sasanian Mesopotamia to Uygur Central Asia and Tang-Ming China |date=2016-04-18 |publisher=BRILL |isbn=978-90-04-30894-7 |pages=42–54 |language=en}}</ref>
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