Editing 300 (section)

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

==== Roman Empire ====
* Emperor [[Diocletian]] begins construction of a palace that will become the city of [[Split (city)|Split]] (approximate date). Diocletian, who plans on abdicating, intends to use this palace as his place of retirement.
* Caesar [[Constantius I]] wins a victory over the [[Franks]] (approximate date).

==== Asia ====
* The [[lion]] becomes extinct from [[Kingdom of Armenia (antiquity)|Armenia]] (approximate date).
* The [[Yayoi period]] ends in [[Ancient Japan]] (approximate date).<ref>{{cite web |url=http://www.t-net.ne.jp/~keally/yayoi.html |title=Yayoi Culture |first=Charles T. |last=Keally |date=2006-06-03 |work=Japanese Archaeology |publisher=Charles T. Keally |access-date=May 10, 2023}}</ref>
* [[Wootz steel]] is developed in [[India]] (approximate date).
* The ''[[Kama Sutra]]'', an Indian handbook on the art of [[Human sexual activity|sexual love]], is probably produced around this time by the sage [[Vatsyayana]].
* [[Micheon of Goguryeo|Micheon]] becomes ruler of the Korean kingdom of [[Goguryeo]].<ref>{{cite web |title=List of Rulers of Korea |url=https://www.metmuseum.org/toah/hd/koru/hd_koru.htm |website=metmuseum.org |access-date=19 April 2019}}</ref>

==== Africa ====
* The [[elephant]] becomes extinct in [[North Africa]] (approximate date).
* The [[Atlas wild ass]] becomes extinct (approximate date).

==== Mesoamerica ====
* The [[Mesoamerica#Preclassic/Formative|Formative/Preclassic period]] in [[Mesoamerica]] comes to an end approximately around this year.
* The [[Mayan civilization]] reaches its most prolific period, the classic period, in what is now [[Guatemala]], [[Belize]] and parts of southern [[Mexico]] adjacent to the former two. During most of this period, [[Tikal]] dominates the Mayan world.

=== By topic ===

==== Art and Science ====
* The magnetic [[compass]] for [[navigation]] is invented in [[China]] (approximate date).
* The [[Panchatantra]], a [[Sanskrit]] collection of fables and fairy tales, is written in [[India]].
* The [[St Mark's Basilica#The Tetrarchs|Tetrarchs]] are probably made in [[Egypt (Roman province)|Egypt]]. After [[330]] they are moved to [[Constantinople]] and in [[1204]] they are installed at the corner of the facade of the [[St Mark's Basilica#The Tetrarchs|St Mark's Basilica]], [[Venice]] (approximate date).
* [[Diocletian's Palace]], [[Split (city)|Split]], [[Croatia]], is built. Its model is nowadays kept at the [[Museo della Civilta Romana]], [[Rome]].

==== Religion ====
* [[Pope Peter I of Alexandria|Peter of Alexandria]] becomes [[Patriarch of Alexandria]].
* Possible date of the [[Codex Vaticanus Graecus 1209]] and [[Codex Sinaiticus]], manuscripts of the Bible written in [[Koine Greek|Greek]].
* [[Tiridates III of Armenia|Tiridates III]] makes his [[Kingdom of Armenia (antiquity)|kingdom of Armenia]] the first state to adopt [[Christianity]] as its official religion.
* Approximate date of the [[Synod of Elvira]] in [[Granada|Elvira]], [[Hispania|Spain]], which prohibits interaction with [[Jews]], [[Paganism|pagans]], and [[heretic]]s.
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