The Battle of Ctesiphon took place in 263 between the Sassanid Empire and Palmyrene army under the Palmyrene king

Odaenathus Septimius Odaenathus ( Palmyrene Aramaic: , , vocalized as ; ar, أذينة, translit=Uḏaina; 220 – 267) was the founder king ( ''Mlk'') of the Palmyrene Kingdom who ruled from Palmyra, Syria. He elevated the status of his kingdom from a r ...

(Palmyra was then an allied state of Rome and officially part of the latter Empire). Following the

Sasanians The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...

' defeat and loss of Syria and

Cappadocia Cappadocia or Capadocia (; tr, Kapadokya), is a historical region in Central Anatolia, Turkey. It largely is in the provinces Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. According to Herodotus, in the time of the Ionian Re ...

to the

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post- Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediter ...

at the hands of Odaenathus and Balista; The Palmyrene monarch invaded Mesopotamia and stood at the walls of Ctesiphon and devastated the region around it, however he could not conquer it.''Who's Who in the Roman World''
by John Hazel''Babylonia Judaica in the Talmudic Period''
by A'haron Oppenheimer, Benjamin H. Isaac, Michael Lecker''The New Encyclopædia Britannica''
/ref> The logistical problems of fighting in enemy territory forced the Palmyrenes to leave the siege carrying with them numerous prisoners and booty. The prisoners were sent to Rome, enabling the Roman emperor

Gallienus Publius Licinius Egnatius Gallienus (; c. 218 – September 268) was Roman emperor with his father Valerian from 253 to 260 and alone from 260 to 268. He ruled during the Crisis of the Third Century that nearly caused the collapse of the empi ...

to hold a

triumph The Roman triumph (Latin triumphus) was a celebration for a victorious military commander in ancient Rome. For later imitations, in life or in art, see Trionfo. Numerous later uses of the term, up to the present, are derived directly or indirectl ...

References

263 Ctesiphon 263 Ctesiphon 263 260s in the Roman Empire 3rd century in Iran Ctesiphon 263 Sieges of Ctesiphon {{Sasanian-stub