Roman–Parthian War of 194–198
Roman–Parthian War of 194–198 | |||||||||
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Part of the Roman–Parthian Wars | |||||||||
![]() The theatre of Septimius Severus' military campaigns | |||||||||
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Belligerents | |||||||||
Roman Empire | Parthian Empire | ||||||||
Commanders and leaders | |||||||||
Septimius Severus |
Vologases V Abgar VIII | ||||||||
Units involved | |||||||||
...see section | ...see section | ||||||||
Strength | |||||||||
9–11 legions 13–16 vexillationes Some auxiliary units (Total: approx. 150,000 men) | Unknown | ||||||||
Sources in body text |
The Roman–Parthian War of 194–198 involved the Roman armies' success over the Parthians for supremacy over the nearby
Historial context
Prelude
The Severan dynasty, which reigned over the

Casus belli
Septimius Severus decided to invade Osroene in 195, since the Parthians had helped during 194 his direct rival to the imperial throne, Pescennius Niger, who had been defeated in three battles (at Cyzicus, Nicaea and Issus),[4][5][6] and in an attempt to take refuge among the Parthians and fleeing from Antioch, was reached and killed.[5] His head eventually found its way to Rome where it was displayed.[6]
Forces in the field
Roman forces
The operations of these years of war beyond that allowed the emperor himself to constitute three new legions:
directly involved others such as:
- XIIII Gemina, XV Apollinaris and XVI Flavia Firma;
in addition to some vexillationes coming from other fronts such as:
The total forces deployed by the Roman Empire may have exceeded 150,000 men involved; of these, half were legionaries (from as many as 24-25 legions), the remainder were auxiliaries.[9]
Parthian forces
The Parthian units that took part in Septimius Severus's campaigns between 194 (or 195) and 198 AD are unknown.
Course of the campaign
First campaign (194–195)
After an initial clash, he managed to liberate the city of

Some of these scenes are represented in the first south-east panel of the triumphal arch located near the Curia Julia in the Roman Forum. At the end of the war operations he reunited the province of Mesopotamia (which included only Osroene and Adiabene) by placing two of the three new legions just created (the Legio I and the III Parthica) as garrison there, under the leadership of a prefect of equestrian rank. For these successes he assumed the titles of Adiabenicus and Arabicus[17][18] in 195 AD.[19]
Second campaign (197–198)
Septimius Severus: denarius[20] | |
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![]() | |
L SEPT SEV PERT AVG IMP VIII, laureate head right, in military uniform (Paludamentum) | Profectio AUG, Septimius Severus on horseback setting out for the Eastern front with a lance in his hand. |
2.85 g, minted in 197. |
In early 197 Severus left Rome and sailed to the east. He embarked at

The second campaign was conducted from the summer of 197 to the spring of 198.
- 197 campaign
- The campaign had begun because of a new siege of the Parthian armies to the city of Edessa, which opened its gates to him as a sign of welcome, and sent him high dignitaries and banners as an act of submission. The king of Osroene Abgar VIII then promised to supply allied forces for the offensive in Mesopotamia.[25]
The king of the Parthians,
Cassius Dio's records also tell us how he defined the Parthians "lazy" and "weak" for always retreating when Severus "showed up".[25]

Severus, having built a fleet, crossed the
- 198 campaign
- Severus spent the winter near the Parthian capital and around February-March he decided to go up the Nisibis during these campaigns, perhaps because he was brave and loved by the soldiers, who had declared that they would not continue the war if it were not for Laetus who led them.[27]
Cassius Dio reports, finally, that Severus decided shortly after, to place the city of Hatra under siege once again, taking with him large quantities of food and siege engines, but on this occasion it is said that, not only did he lose a large amount of money for the preparation of the expedition, but also numerous war machines (apart from those of a certain Priscus),[28] and furthermore, the emperor himself, during an attack on the enemy walls, almost risked his life, finally deciding to withdraw definitively and go to Egypt.[29] Following the general success of the campaign, however, he earned the title of Parthicus maximus.[17]
Result of the campaign
Analysis
Especially after 197, Severus marched through northern
References
- ^ Rahman 2001[page needed]
- ^ Birley 1999, pp. 89–128.
- ^ Inscriptions CIL VIII, 14395, CIL XI, 8, AE 1894, 49, AE 1991, 1680 and numerous others.
- ^ Bowman 2005, p. 4.
- ^ a b Southern 2001, p. 33.
- ^ a b Potter 2004, p. 104.
- ^ Sage 2020, p. 81.
- ^ González 2003, p. 728.
- ^ Le Bohec 2001, pp. 34–45.
- ^ a b Cassius Dio, Roman history, LXXV, 1, 2.
- ^ Cassius Dio, Roman history, LXXV, 2, 1–2.
- ^ a b Scarre 1995a, pp. 97–99.
- ^ Cassius Dio, Roman history, LXXV, 2, 3.
- ^ Cassius Dio, Roman history, LXXV, 3, 2.
- ^ Cassius Dio, Roman history, LXXIV, 11, 2.
- ^ Cassius Dio, Roman history, LXXVI, 10-11.
- ^ a b Inscriptions AE 1893, 84, CIL VIII, 24004, AE 1901, 46, AE 1906, 21, AE 1922, 5, AE 1956, 190, CIL VIII, 1333 (p. 938).
- ^ Scarre 1995b, p. 131.
- ^ Inscription CIL XI, 8.
- ^ Roman Imperial Coinage, Septimius Severus, IVa, 494; BMC 466. Cohen 580.
- ^ Hasebroek 1921, p. 111.
- ^ Historia Augusta, "Life of Septimius Severus", 16.1.
- ^ Birley 1999, p. 115.
- ^ Birley 1999, p. 129.
- ^ a b c d e f g h Cassius Dio, Roman history, LXXVI, 9.
- ^ a b Zosimus, Historia nova, I, 8.2.
- ^ a b Cassius Dio, Roman history, LXXVI, 10.
- ^ Cassius Dio, Roman history, LXXVI, 11.
- ^ Cassius Dio, Roman history, LXXVI, 12.
- ^ Hasebroek 1921, p. 130.
- ^ Birley 1999, p. 130.
- ^ Birley 1999, p. 153.
- ^ Daryaee 2010, p. 249.
- ^ Hasebroek 1921, p. 153.
- ^ Kröger 1993, pp. 446–448.
- ^ Birley 1999, p. 134.
- ^ Hasebroek 1921, p. 134.
Sources
Primary or ancient sources
- Cassius Dio, Roman history, LXXVI.
- Herodian, Storia dell'impero dopo Marco Aurelio.
- Roman Imperial Coinage, Septimius Severus, IVa.
- Zosimus, Historia nova, I.
Secondary or modern sources
- ISBN 978-0-415-16591-4.
- Rahman, Abdur (2001). The African Emperor? The Life, Career, and Rise to Power of Septimius Severus, MA thesis. University of Wales Lampeter.
- Southern, Pat. (2001). ISBN 978-0-415-23943-1.)
{{cite book}}
: CS1 maint: ref duplicates default (link - Potter, David Stone (2004). ISBN 978-0-415-10057-1.)
{{cite book}}
: CS1 maint: ref duplicates default (link - Bowman, Alan K. (2005). ISBN 978-1-139-05392-1.)
{{cite book}}
: CS1 maint: ref duplicates default (link - ISBN 8843017837.)
{{cite book}}
: CS1 maint: ref duplicates default (link - González, Julio R. (2003). Historia de las legiones romanas (in Spanish). ISBN 8493120782.)
{{cite book}}
: CS1 maint: ref duplicates default (link - Sage, Michael M. (June 30, 2020). Septimius Severus & The Roman Army. ISBN 978-1-3990-0323-0.)
{{cite book}}
: CS1 maint: ref duplicates default (link - Scarre, Chris (September 1, 1995). The Penguin Historical Atlas of Ancient Rome. ISBN 0140513299.
- Scarre, Chris (1995). Chronicle of the Roman Emperors: The Reign-by-reign Record of the Rulers of Imperial Rome. London & New York.
{{cite book}}
: CS1 maint: location missing publisher (link) - Hasebroek, Johannes (1921). Untersuchungen zur Geschichte des Kaisers Septimius Severus. Heidelberg: C Winter. )
- Daryaee, Touraj (2010). "Ardashir and the Sasanians' Rise to Power". Anabasis: Studia Classica et Orienta. University of California: 236–255.
- Kröger, Jens (1993). "Ctesiphon". Encyclopaedia Iranica, Vol. IV, Fasc. 4. pp. 446–448.