View source for 284

{{Year nav|284}}
[[File:Diocletien Vaux1.jpg|thumb|Emperor [[Diocletian]]us]]
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Year '''284''' ('''[[Roman numerals|CCLXXXIV]]''') was a leap year starting on Tuesday of the [[Julian calendar]]. 

== Events ==
=== By place ===
==== Roman Empire ====
* The [[Bagaudae]], a group of peasants, revolt in [[Gaul]] against the [[Roman Empire]]. The [[Dardani]], a region in [[Illyria]], becomes a [[Roman province]].  
* Emperor [[Numerian]] travels through [[Bithynia]] ([[Asia Minor]]).  He is murdered on his way home to [[Ancient Rome|Rome]]. 
* [[November 20]] &ndash; [[Diocletian|Gaius Aurelius Valerius Diocletianus]], age 39, is made emperor. 
* [[Sabinus Iulianus|Sabinus Julianus]], [[Roman usurper]] against Emperor [[Carinus]], revolts in [[Pannonia]]. He attacks northern [[Italy]] and makes himself emperor. 
* Winter &ndash; Diocletianus moves with his army across the [[Balkans]].

=== By topic ===
==== Religion ====
* Patriarch Rufinus I succeeds Patriarch Dometius as [[Patriarch of Constantinople]].

== Births ==
* [[Emperor Huai of Jin|Jin Huidi]], Chinese emperor of the [[Jin Dynasty (265–420)|Jin Dynasty]] (d. [[313]])

== Deaths ==
* [[Diophantus]], Greek [[mathematician]] (approximate date)
* [[Numerian|Marcus Aurelius Numerian]], [[Roman Emperor]] 
* [[Sun Hao]], last emperor of the [[Eastern Wu|Kingdom of Wu]] (b. [[242]])
* [[Xin Xianying]], daughter of [[Xin Pi]] (b. [[205]])

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[[Category:280s]]