Battle of the Trebia
The Battle of the Trebia in December 218 BCE was Hannibal's first major engagement after crossing the Alps with his multinational army, and it demonstrated the tactical genius that would make him Rome's most feared enemy. Hannibal exploited the Roman consul Tiberius Sempronius Longus's eagerness for action: he provoked an attack on a cold winter morning, forcing the Romans to cross the icy Trebia River before they had eaten. His Numidian cavalry shattered the Roman flanks, and a concealed force under his brother Mago struck the Roman rear, killing roughly two-thirds of the Roman army of forty thousand. The battle exposed a structural vulnerability in the Roman tactical system — the legions could absorb frontal pressure but were catastrophically vulnerable to encirclement — that Hannibal would exploit to even greater effect the following year.
- Category: Military
