Siege of Nisibis (338)

Siege of Nisibis
Part of the Mesopotamian campaigns of Shapur II

Silver and gold plate depicting the Sassanid ruler Shapur II.
DateJune 15th – August 14th or 24th, 338 AD, siege lasted 60–70 days
Location
Nisibis (modern Nusaybin)
Result Shapur II's defeat
Belligerents
Roman Empire Sasanian Empire
Commanders and leaders
Lucillianus
Jacob (PKIA)
Shapur II

The siege of Nisibis of 338 constituted the initial phase of Perso-Roman wars of 337–361. Shapur besieged Nisibis, which was then regarded as the key to Mesopotamia and, after sixty days, no closer to taking Nisibis and with a plague hampering his army, he lifted the siege and returned to Persia.