View source for 521


{{Use mdy dates|date=February 2011}}
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Year '''521''' ('''[[Roman numerals|DXXI]]''') was a [[common year starting on Friday]] (link will display the full calendar) of the [[Julian calendar]]. At the time, it was known as the '''Year of the Consulship of [[Justinian I|Sabbatius]] and Valerius''' (or, less frequently, '''year 1274 ''[[Ab urbe condita]]'''''). The denomination 521 for this year has been used since the early medieval period, when the [[Anno Domini]] [[calendar era]] became the prevalent method in Europe for naming years.
== Events ==
<onlyinclude>
=== By place ===
==== Byzantine Empire ====
* Future [[List of Byzantine emperors|Byzantine emperor]] [[Justinian I|Justinian]], age 39, is appointed [[consul]]. He later becomes [[Commander-in-chief]] of the Army of the East.
==== Arabia ====
* Ma`adikarib Ya`fur becomes king, supported by the [[Kingdom of Aksum|Aksumites]]; he begins a military campaign against the [[Tribes of Arabia|Arabian tribes]].
=== By topic ===
==== Music ====
* [[Boethius]] introduces [[Music of Greece|Greek musical letter]] notation to the West.
==== Religion ====
* [[February 22]] &ndash; [[Samson of Dol]] is ordained as [[bishop]] in [[Brittany]], on the Feast of the [[Chair of Saint Peter]].
* [[Ecclesius of Ravenna|Ecclesius]] becomes a [[bishop of Ravenna]].<ref>{{Cite book |last=Menzies |first=Lucy |url=https://www.google.com/books/edition/The_Saints_in_Italy/NyiD9VhxfwEC?hl=en&gbpv=1 |title= The Saints in Italy: A Book of Reference to the Saints in Italian Art and Dedication |publisher=Medici Society Limited |year=1924 |pages=144 |access-date=November 14, 2024}}</ref>
</onlyinclude>
== Births ==
* [[December 7]] &ndash; [[Columba]], [[Gaelic Ireland|Gaelic Irish]] [[missionary]] [[monk]] (d. [[597]])
* [[Saint Agericus of Verdun|Agericus]], [[Roman Catholic Diocese of Verdun|bishop of Verdun]] (approximate date)
* [[Gao Cheng]], high official and [[regent]] of [[Eastern Wei]] (d. [[549]])
== Deaths ==
* [[July 17]] &ndash; [[Magnus Felix Ennodius]], [[bishop]] and Latin poet
* [[November 29]] &ndash; [[Jacob of Serugh]], Syrian [[poet]] and [[Theology|theologian]]
== References ==
{{Reflist}}
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[[Category:521| ]]