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Legio II Parthica


Legio II Parthica

Legio II Parthica
Active 197 to sometime in the 5th century
Country Roman Empire
Type Roman legion (Marian)
Role Infantry assault (some cavalry support)
Size Varied over unit lifetime. Approx. 5,500 fighting men + support at the time of creation.
Garrison/HQ Castra Albana, Italia (197 - 218)
Apamea, Syria (218 - 234)
Moguntiacum, Germania Superior (234 - 238)
Castra Albana (238 - beginning 4th century)
Bezabde, Mesopotamia (in 360)
Cepha, Mesopotamia (c. 400)
Nickname(s) Parthica, "Parthian" (since 197)
Pia Fidelis Felix Aeterna, "forever faithful, loyal and blest" (since 218)
V Fidelis V Pia, "Five times loyal, five times faithful" (253/260)
VI Fidelis VI Pia, "Six times loyal, six times faithful" (before 260)[1]
Mascot Bull and centaur
Engagements Septimius Severus Parthian campaign (197)
Severus Britannic campaign (208–211)
Caracalla Alamannic campaign (213)
Battle of Antioch (218)
Alexander Severus Sassanid campaign (231)
Siege of Bezabde (360)
vexillationes participated in many other campaigns
Septimius Severus (campaign)
Caracalla (campaign)
Alexander Severus (campaign)

Legio secunda Parthica ("Parthian-conquering Second Legion") was a legion of the Imperial Roman army founded in AD 197 by the emperor Septimius Severus (r. 193-211), for his campaign against the Parthian Empire, hence the cognomen Parthica. The legion was still active in the beginning of the 5th century. The legion's symbol were a bull and centaur.


  • Parthian campaign and Castra Albana (197-4th century) 1
    • Under Severus Alexander and Maximinus 1.1
    • Whittling away 1.2
  • In Mesopotamia 2
  • See also 3
  • Notes 4
  • References 5
  • External links 6

Parthian campaign and Castra Albana (197-4th century)

Together with its twin legions I Parthica and III Parthica, the Second Parthian legion was levied for the attack on the eastern frontier. The campaign was a success and Ctesiphon, the Parthian capital was taken and sacked. After this war, II Parthica returned to Italia, and was stationed near Rome, in Castra Albana[2] (Albano Laziale) – it was the first legion stationed in Italia in the last two centuries. Since it was not garrisoning a Roman province, they functioned both as a reserve that could be used in afflicted parts of the Empire, as well as a security element against possible internal rebellions. Emperors in the 3rd century were very likely to have problems with usurpers, and Severus, by stationing the II Parthica near the capital, was aware of it.

Nevertheless, the legion served in the Severan campaign in Britain of 208–211 and afterwards, under Caracalla against the Germanic tribe of the Alamanni in 213. Next, the legion was again sent to Parthia and their commander Macrinus was responsible for Caracalla's murder in that region in 217. In the following year, however, the II Parthica, stationed in Apamea (Syria), abandoned Macrinus and sided with Elagabalus; the Second supported Elagabalus' rise to purple, defeating Macrinus in the Battle of Antioch. The new emperor awarded the legion with the cognomina Pia Fidelis Felix Aeterna (forever faithful, loyal and pious).

Under Severus Alexander and Maximinus

In 231, the legion fought under Alexander Severus against the Sassanid Empire, and returned with the emperor to the German provinces. It was at Moguntiacum (modern Mainz), when Alexander was assassinated in 235. In the following fight for the power, the II Parthica sided with Maximinus Thrax. In 238, the Roman senate declared Maximinus persona non grata and nominated Gordian III as emperor. Maximinus then marched on Rome to fight for his rights, taking the II Parthica, among other legions, with him. What happened next is a good example of the political power of the legions in the 3rd century. The II Parthica weighted the chances of its commander and, concluding that supporting him was not a good move, they killed Maximinus before he could harass the senate. As a reward, they were pardoned for supporting a public enemy and allowed to return to their base and families in the Alban mountains.

Whittling away

In the next decades they were used as reinforcements in several provinces within the empire and continued to be used as pawns in the constant battles for the imperial throne of the 3rd century. Emperor Gallienus (253-268) awarded the legion with the titles V Fidelis V Pia and VI Fidelis VI Pia (respectively, "Five" and "Six times loyal and faithful").

Where the legion was based when it received these titles from Gallienus is uncertain. Other things being equal one would have thought that [1]

In Mesopotamia

At the beginning of the 4th century, II Parthica had abandoned Italy. The legion was on the Tigris frontier in the middle of the 4th century, just before a major Roman defeat by the Persians in Singara, Mesopotamia. In 360, the Sassanid King Shapur II attacked and conquered the Roman fortified city of Bezabde (modern Cizre, in Turkey), which was defended by II Partica, II Armeniaca and II Flavia Virtutis.[3] According Notitia Dignitatum, II Parthica was in Cepha, Turkey, around 400, under the command of the Dux Mesopotamiae.[4]

See also


  1. ^ a b The legion and its new titles were celebrated on coins, showing the symbol of the legion, the centaur, with a globe and a club.[2]
  2. ^ For this reason, the legion was also known as "Albanian legion".
  3. ^ Ammianus Marcellinus, Res Gestae, xx 7.
  4. ^ Not. Dign, in partibus orientis, xxxvi.


  • account of Legio II Parthica

External links

  • The Apamea Phalangarius - the gravestone of a 'phalangite' of legio II Parthica
  • The Battle of Nisibis, AD 217 - legio II Parthica and associated units in the last battle of the Parthian Wars
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