Editing 412 (section)

== Events ==
<onlyinclude>

=== By place ===

==== Roman Empire ====
* The [[Visigoths]], led by King [[Ataulf]], move into the south of [[Gaul]]. He establishes his residence at [[Narbonne]], and makes an alliance with Emperor [[Honorius (emperor)|Honorius]], against the usurper [[Jovinus]].<ref name=":0">{{Cite journal|last=Drinkwater|first=J. F.|date=1998|title=The Usurpers Constantine III (407-411) and Jovinus (411-413)|journal=Britannia|volume=29|pages=269–298|doi=10.2307/526818|jstor=526818|s2cid=161846385 }}</ref>
* Emperor Jovinus elevates his brother [[Sebastianus]] as co-emperor (''[[Augustus (title)|Augustus]]'') and takes control of Gaul.<ref name=":0" />
* [[Heraclianus]], governor (''[[Comes|Comes Africae]]''), revolts against Honorius and proclaims himself ''Augustus''. He interrupts the [[grain supply to the city of Rome|grain supply to Rome]]. Honorius condemns him and his supporters to death with an [[edict]] at [[Ravenna]].
* The [[Walls of Constantinople#Theodosian Walls|Theodosian Walls]] are constructed at [[Constantinople]] during the reign of emperor [[Theodosius II]]. The work is carried out under supervision of [[Anthemius (praetorian prefect)|Anthemius]], notable [[Praetorian prefecture of the East|praetorian prefect of the East]].
* Winter &ndash; [[Olympiodorus of Thebes|Olympiodorus]], historical writer, is sent on an [[Diplomatic mission|embassy]] by Honorius, and sails in stormy weather around [[Greece]] up the [[Black Sea]], to meet the [[Huns]] who are located on the middle [[Danube]] (modern [[Bulgaria]]).<ref>The End of Empire (p. 69). Christopher Kelly, 2009. {{ISBN|978-0-393-33849-2}}</ref>

==== Balkans ====
* The forts on the west bank of the [[Danube]], which were destroyed by the [[Huns]], are rebuilt, and a new Danubian fleet is launched.

=== By topic ===

==== Religion ====
* An edict of Honorius outlaws [[Donatism]].
* [[Cyril of Alexandria]] becomes [[Patriarch of Alexandria]].
* Lazarus, [[bishop of Aix-en-Provence]], and Herod, [[bishop of Arles]], are expelled from their sees on a charge of [[Manichaeism]].
* [[Faxian|Fa-Hien]], Chinese [[Chinese Buddhism|Buddhist]] [[monk]], spends 2 years in [[Ceylon]] and is more than 200 days at sea as [[storm]]s drive his ship off its course, but returns with sacred Buddhist texts back to [[China]] (see [[414]]).</onlyinclude>