Editing 405 (section)

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

==== Roman Empire ====
* Emperor [[Honorius (emperor)|Honorius]] closes the Flavian Amphitheatre ([[Colosseum]]), in an [[austerity]] move that abolishes amusements.{{citation needed|date=June 2020}}
* [[Stilicho]], Roman general (''[[magister militum]]''), orders the [[Sibylline Books]] to be burned, according to the Roman poet [[Rutilius Claudius Namatianus]].
* Stilicho crushes a coalition of [[Asding Vandals]], [[Ostrogoths]] and [[Quadi]] with an army raised from forces of the [[Rhine]] frontier, leaving this sector dangerously weakened.{{citation needed|date=June 2020}}
* [[War of Radagaisus]]: King [[Radagaisus]] leads an invasion with a force of 20,000 men and crosses the [[Alps]]. He spends the winter in the [[Po Valley]] and is observed by Stilicho, who lacks sufficient strength to prepare an offensive against the invading [[Germanic peoples|German tribes]]. The exact numbers of the [[Human migration|migration]] are unknown, probably nearly 100,000, including [[Alans]], [[Burgundians]], [[Goths]], [[Vandals]], and other smaller tribes.
* [[Flavius Aetius]] is sent as a child [[hostage]] at the court of [[Alaric I]], king of the [[Visigoths]].{{citation needed|date=June 2020}}

==== Asia ====
* The [[Khitan people|Khitan]] are first mentioned in [[China|Chinese]] chronicles. They wander along the boundaries of Kara-muren, and form part of the Donghu (Tong-hou) confederation.
* [[Jeonji of Baekje|Jeonji]] becomes king of the Korean kingdom of [[Baekje]].<ref>{{cite web |title=List of Rulers of Korea |url=https://www.metmuseum.org/toah/hd/koru/hd_koru.htm |website=www.metmuseum.org |access-date=20 April 2019}}</ref>

=== By topic ===

==== Arts and Sciences ====
* The [[Armenian alphabet]] is devised by [[Mesrop Mashtots]].
* The [[Japan]]ese court officially adopts the [[Chinese writing system]] (approximate date).
* [[Theon of Alexandria]], Greek [[mathematician]], dies at age 70 (approximate), having been helped in his work by his daughter [[Hypatia]].

==== Religion ====
* [[Jerome]]'s [[Vulgate]] translation of the [[Bible]] into [[Latin]] is completed by his translations of the [[Tanakh]] from the [[Hebrew language]].
* In the [[Africa (Roman province)|Roman province of Africa]], [[Augustine of Hippo]] opposes [[Donatism]] as a [[Heresy in Christianity|heresy]].
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