Editing 302 (section)

=== By place ===

==== Roman Empire ====
* Emperor [[Diocletian]] persecutes the [[Manichaeans]], accusing them of being a Persian [[fifth column]].<ref>{{Cite book |title=Manichaean texts from the Roman Empire |publisher=[[Cambridge University Press]] |isbn=978-0-521-56090-0 |editor-last=Gardner |editor-first=Iain |location=Cambridge, UK; New York |publication-date=June 3, 2004 |pages=116–118 |editor-last2=Lieu |editor-first2=Samuel N. C.}}</ref>
* Caesar [[Galerius]] wins his second victory over the [[Carpi (people)|Carpi]].
* An invasion of [[Gaul]] by the [[Alemanni]]c Lingones almost traps Caesar [[Constantius I]] between the enemy and the walls of a town. Constantius himself is carried onto the wall via a crane. However, within the same day, Constantius sallies forth from the walls and defeats the enemy in a major battle.

==== Persia ====
* [[Narseh]], ruler ([[List of shahanshahs of the Sasanian Empire|Shahanshah]]) of the [[Sasanian Empire|Sassanid Empire]], dies after a 9-year reign. He is succeeded by his son [[Hormizd II]].