Roman Battles in the 2nd century AD

• 101 - Battle of Tapae - Trajan defeats Decebalus, with heavy losses.
• 102 - Battle of Tropheum Traiani - Adamclisi. Roman forces led by Trajan annihilate a mixed Dacian-Roxolano-Sarmatae army, with heavy casualties on the Roman side.
• 106 - Battle of Sarmisegetuza - A Roman army led by Trajan conquers and destroys the Dacian capital.
• 170 - Battle of Carnuntum - Marcomannic King Ballomar defeats the Roman Army and invade Italy .
• 179 or 180 - Battle of Laugaricio - Marcus Valerius Maximianus defeats the Quadi in Slovakia .
• 180 - Praetorian Prefect Teratenius Paternus defeats the Quadi .
• 193 -
• Battle of Cyzicus - Septimius Severus, the new Emperor, defeats his eastern rival Pescennius Niger
• Battle of Nicaea - Severus again defeats Niger
• 194 - Battle of Issus (194) - Severus finally defeats Niger.
• 197, 17 February - Battle of Lugdunum - Emperor Septimius Severus defeats and kills his rival Clodius Albinus, securing full control over the Empire.