Editing 450 (section)

==== Europe ====
* Spring &ndash; [[Justa Grata Honoria]], eldest sister of emperor [[Valentinian III]], sends her ring to [[Attila the Hun]] in an effort to escape a [[marriage]] being forced upon her by her brother. Now about 34, she has had an affair with an officer in her household and has allegedly plotted to overthrow Valentinian, who has sent her to a [[convent]] at [[Constantinople]]. Attila announces his intention to marry her, says he expects to be given half the [[Western Roman Empire]] as her [[dowry]], and gathers a large Hun invasion force. [[Flavius Aetius]], Roman general (''[[magister militum]]''), musters an army in [[Gaul]] of [[Burgundians]], [[Celts]], [[Ripuarian Franks|Ripuarians]], [[Salian Franks]] and [[Visigoths]] under the command of the Visigoth king [[Theodoric I]].
* [[Angles (tribe)|Angles]], [[Saxons]] and [[Jutes]] invade [[Great Britain|Britain]], marking the beginning of the [[History of England|Old English period]] (approximate date).
* Remodelling of the Dome of [[Baptistry of Neon]], [[Ravenna]] ([[Italy]]) begins (approximate date).