| Conflict Dates (BC) | Name of the war |
| 499 or 496 | War against the Latins |
| 482 - 474 | First Veii War |
| 437 or 434 - 428 or 425 | Second Veii War |
| 406 - 396 | Third Veii War |
| 343 - 341 | First Samnite War |
| 340 - 338 | Latin Wars |
| 326 - 304 | Second Samnite War |
| 298 - 290 | Third Samnite War |
| 280 - 275 | War of Pyrrhus in Italy |
| 264 - 241 | First Punic War |
| 229 - 228 | First Illyrian War |
| 220 - 219 | Second Illyrian War |
| 218 - 202 | Second Punic War |
| 215 - 205N 1 | First Macedonian War |
| 200 - 196 | Second Macedonian War |
| 181 - 179 | First Celtiberian War |
| 171 - 168 | Third Macedonian War |
| 168 | Third Illyrian War |
| 155 - 139 | Lusitano War |
| 154 | First Numantine War |
| 154 - 151 | Second Celtiberian War |
| 150 - 148 | Fourth Macedonian War |
| 149 - 146 | Third Punic War |
| 143 | Second Numantine War |
| 143 - 133 | Third Celtiberian War |
| 138 - 132 | First Servile War |
| 113 - 101 | Cimbri War |
| 104 - 103 | Second Servile War |
| 92 - 36N 2 | Perso-Romance Wars |
| 91 - 88 | Social War |
| 88 - 85 | First Mithridatic War |
| 88 - 87 | First Marius-Sylla Civil War |
| 83 - 82 | Second Mithridatic War |
| 82 - 81 | Second Civil War Marius-Sylla |
| 76 - 72 | Revolt of Sertorius |
| 75 - 65 | Third Mithridatic War |
| 73 - 71 | Third Servile War |
| 63 - 62 | Catiline Civil War |
| 59 - 51 | Gallic War |
| 49 - 45 | Caesar's Civil War |
| 44 | Post-Caesar Civil War |
| 44 - 42 | Liberators Civil War |
| 44 - 36 | Sicilian Revolt |
| 41 - 40 | War of Perugia |
| 32 | Last Civil War of the Roman Republic |
The Vietnam War was motivated by ideological issues between two Vietnamese governments and had the direct participation of the United States. The Vietnam War was a conflict between North Vietnam and Vietnam from South , from 1959 to 1975. This conflict was motivated by ideological issues and had th