IIII (IV) Parthica		Update	4.11.2016
Sources
1	Real-Encyclopädie article Legio by Ritterling	p.1556
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5
History	from 30 BC to 284 AD
Date	Action	Legionary HQ	Modern name	Province	Comment
270/275	raised either by Aurelian			Mesopotamia
after 284	or more likely by Diocletian after 284	Osrhoene	in Turkey	Mesopotamia	listed in Notitia Dignitatum c.395