Battle of the Trebia

Quick Facts: Who was Battle of the Trebia?

Subject:

Battle of the Trebia

Known for:

First major battle of the Second Punic War (218 BCE) between Hannibal's Carthaginians and Roman forces.

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Origins & Early Life

The Battle of the Trebia (or Trebbia) was the first major battle of the Second Punic War, fought between the Carthaginian forces of Hannibal and a Roman army under Sempronius Longus on 22 or 23 December 218 BC. Each army had a strength of about 40,000 men; the Carthaginians were stronger in cavalry, the Romans in infantry. The battle took place on the flood plain of the west bank of the lower Trebia River, not far from the settlement of Placentia (modern Piacenza), and resulted in a heavy defeat for the Romans. War broke out between Carthage and Rome in 218 BC. The leading Carthaginian general, Hannibal, responded by leading a large army out of Iberia (modern Spain and Portugal), through Gaul, across the Alps and into Cisalpine Gaul (in northern Italy).

Pivotal Works & Achievements

The Romans went on the attack against the reduced force which had survived the rigours of the march, and Publius Scipio personally led the cavalry and light infantry of the army he commanded against the Carthaginian cavalry at the Battle of Ticinus. The Romans were soundly beaten and Scipio was wounded. The Romans retreated to near Placentia, fortified their camp and awaited reinforcement. The Roman army in Sicily under Sempronius was redeployed to the north and joined with Scipio's force. After a day of heavy skirmishing in which the Romans gained the upper hand, Sempronius was eager for a battle.

Enduring Legacy & Impact

Hannibal used his Numidian cavalry to lure the Romans out of their camp and onto ground of his choosing. Fresh Carthaginian cavalry routed the outnumbered Roman cavalry and Carthaginian light infantry outflanked the Roman infantry. A previously hidden Carthaginian force attacked the Roman infantry in the rear. Most of the Roman units then collapsed and most Romans were killed or captured by the Carthaginians, but 10,000 under Sempronius maintained formation and fought their way out to the safety of Placentia. Recognising the Carthaginians as the dominant force in Cisalpine Gaul, Gallic recruits flocked to them, and Hannibal's army grew to 60,000.

Historical Fact-Check Quiz: Battle of the Trebia

True or False: “The Battle of Trebia was the final major military engagement of the Second Punic War.”

Answer (FALSE ❌): The battle was the first major conflict of the war; later decisive battles included Lake Trasimene and Cannae.

Contemporary Figures & Related Historical Timelines

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• Battle of Tsushima — Chrono-Wiki Encyclopedia Entry: The decisive 1905 naval battle marking the end of the Russo-Japanese War.
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Frequently Asked Questions about Battle of the Trebia