Region: Southern Europe · Coordinates: 44.755, 9.415 · 4 events
| Year | Source | Account |
|---|---|---|
| 218 BC | Livy, History of Rome (Ab Urbe Condita) | Sempronius sends out all his cavalry against the Numidian attack |
| 218 BC | Livy, History of Rome (Ab Urbe Condita) | Some of the fugitives, making for the river, were swept away by the current or captured while hesitating |
| 218 BC | Plutarch's Parallel Lives | Hannibal invades Italy and wins first at the river Trebia |
| 218 BC | Polybius, Histories | Battle of the Trebia (December) — Numidian cavalry ambush |