2nd Century BC
- 198 BC – Battle of the Aous – Roman forces under Titus Quinctius Flamininus defeat the Macedonians under Philip V
- 197 BC – Battle of Cynoscephalae – Romans under Flamininus decisively defeats Philip in Thessaly
- 194 BC –
- Battle of Placentia – Roman victory over the Boian Gauls
- Battle of Gythium – With some Roman assistance, Philopoemen of the Achaean League defeats the Spartans under Nabis
- 193 BC – Battle of Mutina – Roman victory over the Boii, decisively ending the Boian threat.
- 191 BC – Battle of Thermopylae – Romans under Manius Acilius Glabrio defeat Antiochus III the Great and force him to evacuate Greece
- 190 BC –
- Battle of the Eurymedon – Roman forces under Lucius Aemilius Regillus defeat a Seleucid fleet commanded by Hannibal, fighting his last battle.
- Battle of Myonessus – Another Seleucid fleet is defeated by the Romans
- December, Battle of Magnesia – (near Smyrna) Romans under Lucius Cornelius Scipio and his brother Scipio Africanus Major defeat Antiochus III the Great in the decisive victory of the war.
- 189 BC –
- Battle of Mount Olympus – Romans under Gnaeus Manlius Vulso allied with Attalus II of Pergamum deliver a crushing defeat to an army of Galatian Gauls
- Battle of Ancyra – Gnaeus Manlius Vulso and Attalus II defeat the Galatian Gauls again before Ancyra, in what was an almost identical repeat of the Battle of Mount Olympus.
- 181 BC – Battle of Manlian Pass – Romans under Fulvius Flaccus defeat an army of Celtiberians.
- 171 BC – Battle of Callicinus – Perseus of Macedon defeats a Roman army under Publius Licinius Crassus.
- 168 BC, 22 June – Battle of Pydna – Romans under Lucius Aemilius Paullus Macedonicus defeat and capture Macedonian King Perseus, ending the Third Macedonian War
- 148 BC – Second battle of Pydna – The forces of the Macedonian pretender Andriscus are defeated by the Romans under Quintus Caecilius Metellus Macedonicus in the decisive engagement of the Fourth Macedonian War
- 146 BC –
- Battle of Carthage ends: Scipio Africanus Minor captures and destroys Carthage, ending the Third Punic War
- Battle of Corinth – Romans under Lucius Mummius defeat the Achaean League forces of Critolaus, who is killed. Corinth is destroyed and Greece comes under direct Roman rule.
- 109 BC – Battle of the Rhone River – Roman force under Marcus Junius Silanus are defeated by the Helvetii
- 108 BC – Battle of the Muthul – Roman forces under Caecilius Metellus fight indecisively against the forces of Jugurtha of Numidia
- 107 BC – Battle of Burdigala – Roman forces under Lucius Cassius Longinus are defeated by the Helvetii
- 105 BC, 6 October – Battle of Arausio – Cimbri inflict a major defeat on the Roman army of Gnaeus Mallius Maximus
- 102 BC – Battle of Aquae Sextiae (modern Aix-en-Provence)- Romans under Gaius Marius defeat Teutons, with mass suicides among the captured women
- 101 BC – Battle of Vercellae – Romans under Gaius Marius defeat the Cimbri, who are entirely annihilated.
Read more about this topic: List Of Roman Battles
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