Editing 230 (section)

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

==== Roman Empire ====
* Emperor [[Alexander Severus]] decides that [[Thessaly]] should be a separate province from [[Macedonia (Roman province)|Macedonia]]. He increases taxes, in order to maintain the war against the [[Sassanid Empire|Sassanids]], and strengthen the defenses of the [[Roman Empire]].

==== Persian Empire ====
* King [[Ardashir I]] of the [[Sasanian Empire|Persian Empire]] invades the Roman province of [[Mesopotamia (Roman province)|Mesopotamia]], and unsuccessfully besieges the fortress town of [[Nusaybin|Nisibis]] ([[Turkey]]). His army threatens the border [[outpost (military)|outposts]] of [[Syria]] and [[Cappadocia]]. 
* Alexander Severus assembles the [[Roman army]], and establishes his headquarters at [[Antioch]]. He attempts a [[diplomacy|diplomatic]] solution, but the Persians decline and choose war.

==== Korea ====
* [[Jobun of Silla|Jobun]] becomes king of the Korean kingdom of [[Silla]].<ref name=met>{{cite web |title=List of Rulers of Korea |url=https://www.metmuseum.org/toah/hd/koru/hd_koru.htm |website=www.metmuseum.org |access-date=21 April 2019}}</ref>

=== By topic ===

==== Religion ====
* [[July 21]] &ndash; [[Pope Pontian]] succeeds [[Pope Urban I]], as the 18th [[pope]] of [[Ancient Rome|Rome]].
* Patriarch [[Castinus]] succeeds Ciriacus I as patriarch [[Ecumenical Patriarch of Constantinople|Constantinople]].
* Seventy bishops hold the [[Ecumenical council|council]] of the Christian [[Archdiocese of Carthage|Church of Africa]].
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