Editing 194 (section)

== Events ==
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=== By place ===
==== Roman Empire ====
* [[Clodius Albinus|Decimus Clodius Septimius Albinus Caesar]] became a [[Roman Consul]].
* [[Battle of Issus (194)|Battle of Issus]]: Septimius Severus marches with his army (12 [[Roman legion|legions]]) to [[Cilicia]], and defeats [[Pescennius Niger]], Roman governor of [[Syria]].<ref>{{Cite book |last=Potter |first=David Stone |title=The Roman Empire at bay, AD 180-395 |date=2004 |publisher=Routledge |isbn=978-0-415-10058-8 |series=Routledge history of the ancient world |location=London |pages=104}}</ref>  Pescennius retreats to [[Antioch]], and is executed by Severus' troops.
* Septimius Severus besieges [[Byzantium]] (194–196); the [[Defensive wall|city walls]] suffer extensive damage.

==== Asia ====
* [[Battle of Yan Province]]: Warlords [[Cao Cao]] and [[Lü Bu]] fight for control over [[Yan Province]]; the battle lasts for over 100 days.
* First year of the ''Xingping'' era during the [[Han dynasty|Han Dynasty]] in [[China]].

=== By topic ===
==== Art and Science ====
* [[Galen]] writes his manual on [[pathology]], ''The Art of Curing'' (approximate date).

==== Religion ====
* [[Irenaeus]] declares [[Gnostic]] doctrines to be [[heresy|heretical]] (approximate date).
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