Editing 457 (section)

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

==== Roman Empire ====
* [[January 27]] &ndash; Emperor [[Marcian]] dies at [[Constantinople]], possibly of [[Gangrene|foot gangrene]], an infection contracted during a long [[Religion|religious]] journey. He is buried in the [[Church of the Holy Apostles]], together with his late wife [[Pulcheria]].<ref name="Croke">{{cite journal|last1=Croke|first1=Brian|date=1978|title=The date and circumstances of Marcian's decease|url=https://www.jstor.org/stable/44170550|journal=Byzantion|volume=48|pages=5–9|jstor=44170550|quote=}}</ref><ref>{{cite web |last1=Nathan |first1=Geoffrey S. |title=Roman Emperors – DIR Marcian |url=https://www.roman-emperors.org/marcian.htm|website=www.roman-emperors.org |access-date=4 August 2018|archive-url=https://web.archive.org/web/20180706012537/http://www.roman-emperors.org/Marcian.htm|archive-date=6 July 2018|date=1998}}</ref>
* [[February 7]] &ndash; [[Leo I (emperor)|Leo I]], a [[Thraco-Roman]] (or [[Dacia]]n) high-ranking officer, becomes the new emperor of the [[Eastern Roman Empire]], reigning for nearly 20 years. He is first to accept the [[Crown jewels|Byzantine crown]] from the hands of the [[Ecumenical Patriarch of Constantinople|patriarch of Constantinople]].<ref>{{cite book|last= Bury|first= John Bagnell|author-link = John Bagnell Bury|title= History of the Later Roman Empire: from the death of Theodosius I to the death of Justinian|volume = 1|url = https://books.google.com/books?id=HqA9NA7MQ6kC|publisher = Dover Publications|year = 1958|series = Dover books|isbn = 978-0-486-20398-0
}}</ref><ref>[[Edward Gibbon]], ''[[The Decline and Fall of the Roman Empire]], Volume I,'' Chap. XXXVI (Chicago: Encyclopædia Britannica, Inc., 1952), p. 582.  Bibl.  Theophanes, p. 95 [ed. Par.; tom. i p. 170, ed. Bonn].</ref>
* [[April 1]] &ndash; [[Majorian]] is acclaimed emperor by the [[Late Roman army|Roman army]], after defeating 900 [[Alemanni]] near [[Lake Maggiore]] (Italy).<ref>Sidonius Apollinaris, ''Carmina'', V.373–385.</ref><ref name="fasti583">''[[Fasti vindobonenses priores]]'', 583.</ref>
* [[December 28]] &ndash; Majorian is crowned emperor of the [[Western Roman Empire]] and recognized by [[Pope Leo I]]. His rule is accepted in Italy, [[Dalmatia]] and some territories in Northern [[Gaul]].<ref>Timothy Barnes, "Review: Late Roman Prosopography: Between Theodosius and Justinian", ''Phoenix'', vol. 37, no. 3 (1983), pp. 268–269</ref>

==== Europe ====
* According to the ''[[Anglo-Saxon Chronicle]]'', 4,000 [[Britons (Celtic people)|Britons]] are slain at [[Crayford|Crecganford]] in battle against [[Hengist and Horsa|Hengist]] and his son [[Oisc of Kent]].<ref>{{cite book|last1=Brayley|first1=Edward Wedlake|url=https://babel.hathitrust.org/cgi/pt?id=nyp.33433075909048;view=1up;seq=768|title=The Beauties of England and Wales; or, Original Delineations Topographical, Historical and Descriptive of Each Country. Vol.VII.|date=1808|publisher=Thomas Maiden Sherbourn-Lane|location=London|pages=416|ref=Hathi Trust Digital Library|access-date=9 March 2019}}</ref>

==== Persia ====
* [[Yazdegerd II]] dies after a 19-year reign.<ref name="Pourshariati">{{cite book|last=Pourshariati|first=Parvaneh|title=Decline and Fall of the Sasanian Empire: The Sasanian-Parthian Confederacy and the Arab Conquest of Iran|location=London and New York|publisher=I.B. Tauris|year=2008|isbn=978-1-84511-645-3|url=https://books.google.com/books?id=I-xtAAAAMAAJ|page=70}}</ref> He is succeeded by his son [[Hormizd III]] who seizes the Persian throne. His elder brother [[Peroz I]] rebels against him in [[Sistan]] ([[Iran]]). After months of [[civil war]] he defeats Hormizd and becomes the seventeenth [[List of shahanshahs of the Sasanian Empire|Sasanian]] king of the [[Sasanian Empire|Persian Empire]].<ref>{{Encyclopædia Iranica | volume = 12 | fascicle = 5 | title = Hormozd III | last = Shahbazi | first = A. Shapur | url = http://www.iranicaonline.org/articles/hormozd-iii | pages = 465–466 }}</ref><ref>{{cite book|last=Bonner|first=Michael|title=The Last Empire of Iran|year=2020|publisher=Gorgias Press|location=New York|doi=10.31826/9781463240516|isbn=978-1-4632-0616-1|page=124|s2cid=219805346}}</ref>

=== By topic ===

==== Religion ====
* [[Victorius of Aquitaine]] computes [[Computus|new tables]] for celebrating [[Easter]].<ref>{{cite book|last1=Blackburn |first1=Bonnie J. |last2=Holford-Strevens |first2=Leofranc |title=The Oxford Companion to the Year |url=https://books.google.com/books?id=ApWLQgAACAAJ|year=1999 |publisher=Oxford University Press |isbn=978-0-19-214231-3|page=793}}</ref>
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