Sasanian Campaign of Galerius
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Was a military campaign by Roman Emperor Galerius against the Sasanian Empire.
Chronology
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February 313: The Romans conquer Osroene back from the Persians.
January 297: Narses, to punish the Romans for supporting the Armenian revolt, invaded the Roman province of Syria.
January 299: Galerius, advancing through the mountains of Armenia, won a decisive victory over the Sasanian king Narses.
January 299: Diocletian assembled a cover army in Syria, ready to go into action in an emergency. Taking advantage of the advantage, he took the city of Ctesiphon.
January 299: In the Peace of Nisibis while the Roman empire obtained control of Caucasian Iberia becomes again a vassal state.
January 313: Persian king Shapur II invaded Osroene.
January 298: After two battles with uncertain outcome, the third battle (fought between Carre and Nicephorium or Callinicum) was a complete defeat for the Romans, following which Rome lost the province of Mesopotamia.
Was a peace treaty between the Roman Empire under Diocletian (in the East) and the Sasanian Empire.
January 300: Diocletian and Galerius, after meeting in Nisibis, sent Sicorio Probus, one of their secretaries, to communicate the conditions for peace to the Persians. When the day of the audience finally arrived, Probus communicated the conditions for peace to the Shah: Armenia and Iberia became client kingdoms of the Romans; the border between the two empires is fixed on the Tigris river while the border between Armenia and Persia is fixed near Zintha, a fortress of Media on the border with Armenia; The Persians cede five regions beyond the Tigris. According to Peter Patrick, these were Intelene, Sophene, Arzanene, Zabdicene and Carduene. According to Ammianus Marcellinus, however, the five regions ceded would have been Zabdicene, Arzanene, Moxoene, Carduene and Rehimene. Narses only opposed the first point, which however he was forced to accept in the face of the firmness of the Romans. After the treaty was made, relatives who had been taken captive by the Romans were returned to Narses.
