List of Roman Battles - 4th Century

4th Century

• 312 –
  • Battle of Turin – Constantine I defeats forces loyal to Maxentius.
  • Battle of Verona – Constantine I defeats more forces loyal to Maxentius.
  • 28 October – Battle of Milvian Bridge – Constantine I defeats Maxentius and takes control of Italy.
• 313, 30 October – Battle of Tzirallum – In the eastern part of the Empire, the forces of Licinius defeat Maximinus.
• 314, 8 October – Battle of Cibalae – Constantine defeats Licinius
• 316 – Battle of Mardia – Constantine again defeats Licinius, who cedes Illyricum to Constantine.
• 324 –
  • 3 July – Battle of Adrianople – Constantine defeats Licinius, who flees to Byzantium
  • July – Battle of the Hellespont – Flavius Julius Crispus, son of Constantine, defeats the naval forces of Licinius
  • 18 September – Battle of Chrysopolis – Constantine decisively defeats Licinius, establishing his sole control over the empire.
• 344 – Battle of Singara – Emperor Constantius II fights an indecisive battle against King Shapur II of Persia (approximate date)
• 351 – Battle of Mursa Major – Emperor Constantius II defeats the usurper Magnentius
• 353 – Battle of Mons Seleucus – Final defeat of Magnentius by Constantius II
• 356 – Battle of Reims – Caesar Julian is defeated by the Alamanni
• 357 – Battle of Strasbourg – Julian expels the Alamanni from the Rhineland
• 359 – Battle of Amida – Sassanids capture Amida from Romans
• 363 – Battle of Ctesiphon – Emperor Julian defeats Shapur II of Persia outside the walls of the Persian capital, but is unable to take the city, and his death leads to an ultimate disaster on the retreat back to Roman territory.
• 366 – Battle of Thyatira – The army of the Roman emperor Valens defeats the usurper Procopius.
• 367 – Battle of Solicinium – Romans under Emperor Valentinian I defeat yet another Alamanni incursion.
• 377 – Battle of the Willows – Roman troops fight an inconclusive battle against the Goths
• 378 –
  • Battle of Argentovaria – Western Emperor Gratianus is victorious over the Alamanni, yet again.
  • 9 August – Battle of Adrianople – Thervings under Fritigern defeat and kill the Eastern Emperor Valens
• 380 – Battle of Thessalonica – The new Eastern Emperor, Theodosius I, is also defeated by the Thervings under Fritigern.
• 388 – Battle of the Save – Emperor Theodosius I defeats the usurper Magnus Maximus.
• 394, 6 September – Battle of the Frigidus – Theodosius I defeats and kills the usurper Eugenius and his Frankish magister militum Arbogast.