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Siege of Amida (359)

Siege of Amida
Part of the Perso-Roman wars of 337–361
City walls and landscape
The walls of Amida, built by Constantius II before the siege of 359
Date359 AD
Location37°55′N 40°13′E / 37.917°N 40.217°E / 37.917; 40.217
Result
  • Sasanian victory[1]
  • Withdrawal of the Persian allies
Territorial
changes
Sasanian forces capture Amida
Belligerents
Sasanian Empire and allies Eastern Roman Empire
Commanders and leaders
Shapur II or Peroz
Tamshapur
Grumbates
Urnayr
Aelianus Executed[2]
Sabinianus
Ursicinus
Units involved
Sassanian army
Xionites
Gelani
Albani
Segestani
Legio V Parthica and an unnamed cavalry unit (garrison)
Legio XXX Ulpia
A detachment of Legio X Fretensis
Tricensimani
Decimani
Superventores and Praeventores (light cavalry)
Comites Sagittarii (Household mounted archers)
Magnentiaci and Decentiaci (legions from Gaul loyal to Magnentius)
Strength
c. 100,000[3]

20,000–120,000[4][5]

  • est. 5,300 soldiers[3]
Casualties and losses
c. 30,000 dead[6] Most defenders, some citizens, some refugees from countryside[6]
Amida is located in West and Central Asia
Amida
Amida
Location of the Siege of Amida
Amida is located in Turkey
Amida
Amida
Amida (Turkey)

The siege of Amida was a military investment of the Roman fortified frontier city of Amida (modern Diyarbakır, Turkey) by the Sasanian Empire. It took place in AD 359 when the Sasanian army under king Shapur II invaded the eastern provinces of the Roman Empire. Shapur wanted to exploit the absence of the Roman Emperor Constantius II who was overseeing affairs in the western part of the Empire. The city fell, but the strategic gain was little.

Ammianus Marcellinus, a Roman army officer, provided a vivid description of the siege in his work (Res Gestae). Ammianus served on the staff of Ursicinus, the Magister Equitum (master of horse) of the East, during the events of the siege.[7]

  1. ^ From Constantine to Julian: Pagan and Byzantine Views: A Source History "359 (oct.) Amida fell to Shapur after a long siege of seventy-three days."
  2. ^ Ammianus Marcellinus (1982). Res Gestae. Cambridge, MA: Harvard University Press. pp. 18.8.2.
  3. ^ a b John Harrel, Nisibis War, p. 156.
  4. ^ Crawford, Peter (2016). Constantius II: Usurpers, Eunuchs, and the Antichrist. Pen & Sword. p. 169.
  5. ^ Sellwood, D. (2011). "AMIDA". Encyclopaedia Iranica, Vol. I, Fasc. 9. p. 938.
  6. ^ a b Ammianus Marcellinus. Res Gestae. pp. 19.9.9.
  7. ^ John Harrel, Nisibis War, p. 148.

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