Siege of Dura-Europos

Siege of Dura-Europos in 239 AD
Part of the Mesopotamian campaigns of Ardashir I

Ancient streets and roads of the fortress of Dura-Europos.
DateApril 20, 239 AD
Location34°44′49″N 40°43′48″E / 34.747°N 40.730°E / 34.747; 40.730
Result Roman victory
Belligerents
Sassanid Empire Roman Empire
Commanders and leaders
Ardashir I
Shapur I
Julius Terentius
Strength
Much larger army "A few thousand" men from the legions IIII Scythica and XVI Flavia Firma
Possibly also Cohors XX Palmyrenorum
Dura-Europos
Location of the battle site within modern-day Syria.

The siege of Dura-Europos in 239 AD, or Ardashir I's siege of Dura-Europos, took place on April 20 between a large invading Sassanid force against a Roman garrison in the fortress along the Euphrates.