Editing 355 (section)

== Events ==
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=== By place ===

==== Roman Empire ====
* [[January 1]] &ndash; [[Arbitio]] and [[Lollianus Mavortius]] begin their term as [[Roman consul]]s.<ref>E.J. Bickerman, ''Chronology of the Ancient World'' (Ithaca: Cornell University Press, 1968), p.&nbsp;64</ref><ref>{{cite book|author=Timothy David Barnes|title=Constantine and Eusebius|url=https://books.google.com/books?id=LGDjJK-JeSwC&pg=PA399|year=1981|publisher=Harvard University Press|isbn=978-0-674-16531-1|pages=399}}</ref>
* [[August 11]] &ndash; [[Claudius Silvanus]], accused of treason, proclaims himself [[Roman Emperor]].<ref>Ammianus Marcellinus, ''History'', 15.2.3.</ref> After 28 days, [[Ursicinus (magister equitum)|Ursicinus]] arrives from [[Rome]] and has Silvanus murdered.
* [[November 6]] &ndash; In [[Mediolanum]] ([[Italy]]), Emperor [[Constantius II]] raises his cousin [[Julian the Apostate]] to the rank of ''[[Caesar (title)|Caesar]]''.<ref>{{cite web | url=https://www.britannica.com/biography/Julian-Roman-emperor | access-date=February 24, 2024 | title=Julian | first1=E Christian | last1=Kopff | first2=Stewart Henry | last2=Perowne | series=Encyclopædia Britannica}}</ref> He takes command of the western provinces and marries Constantius' sister, [[Helena (wife of Julian)|Helena]].

==== Europe ====
* The [[Lentienses]], a [[Germanic peoples|Germanic tribe]], are fined by the Roman commander Arbetio under Constantius II for several incursions against the [[Roman Empire]].
* The [[Franks]] besiege [[Colonia Claudia Ara Agrippinensium|Colonia Agrippinensium]] for ten months.

==== Asia ====
* The [[Huns]] of [[Central Asia]] begin their great drive westwards with an advance into [[Scythia]] (modern [[Russia]]). They overcome and absorb the [[Alans]], a nomadic and warlike [[horse breeding]] people from the [[steppe]]s northeast of the [[Black Sea]]. {{citation needed|date=September 2024}}

=== By topic ===

==== Religion ====
* [[Pope Liberius]] refuses to sign a condemnation of [[Athanasius of Alexandria|Athanasius]], [[Patriarch of Alexandria]], imposed at [[Milan]] by Constantius II. Liberius is exiled to [[Veria|Beroea]] ([[Greece]]) and replaced by [[Antipope Felix II|Felix II]]. He becomes an [[antipope]] and [[bishop]] of Rome.
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