Battle of Lake Trasimene, Italy 217 B.C.E
Hannibal’s Preparation, The Roman Approach, The Ambush
Hannibal’s Preparation
Before dawn on a foggy Italian morning, Hannibal positioned his army of some 30,000 Africans, Spaniards, Gauls, and Numidians in rugged foothills above the valley around Lake Trasimenus. Also following Hannibal’s lead were rebellious Italians who sought freedom from Roman domination.
He arranged his men as follows. Light infantry formed the center of the Carthaginian line, while the heavy infantry and cavalry waited in silent ambush on either flank. The fog hung so thick as to render them invisible. Certain elements of his infantry waited above the curtain of mist with their backs turned toward the enemy approach, imitating the rear guard of an army.
The Roman Approach
Flaminius planned to move fast and catch Hannibal by surprise. He advanced his troops in a vulnerable column formation for greater speed, without scouting the valley first. Only a distant forward guard of 6,000 Romans marched in battle array. As the first Romans advanced up into the hills beyond, they saw a vulnerable Carthaginian rear guard. Eager to catch Hannibal from the rear and rid Italy of his invading army, Flaminius ordered his forward guard to attack.
The Ambush
Hannibal’s decoy troops turned and fought. They gradually gave way before the heavily-armed Roman fore-guard, who pursued them away from Flaminius’ column of 15,000 unprepared soldiers. Still shrouded in the blinding mist below, the column heard only the cheers of advancing Romans.
Trumpets blasted from the heights all around the column, and 30,000 heavy infantry and cavalry charged it screaming from the mist on all sides. Confused and terrified, most Romans present were quickly killed. Those who lived long enough to reach a sword and a living comrade gathered into clumps with their backs to the lake.
The clumped Romans fought with courage and skill to the end. Taking advantage of added visibility and speed granted by the horse beneath him, Flaminius himself repeatedly risked his life to save the most imperiled clusters of his men, and killed many foes in doing so. Then a mounted Gaul whose people he’d defeated in a previous war recognized his ornate armor, plunged through the Roman ranks, and speared him.
Sometime after, the Roman forward guard did return to help, but instead of a battle, found only Carthaginian soldiers and Roman corpses. All 15,000 men in the column lay dead, and Hannibal was moving on. Demoralized, the surviving legionaries withdrew to carry the dreadful news back to Rome – but their fate held worse things than shame, for Hannibal captured them soon after.
Sources
1. Polybius. The Rise of the Roman Empire. Translation by Scott-Kilvert, Ian. New York: Penguin Group, 1979. Penguin Press, Inc., New York 10014.
2.Cottrell, Leonard. Hannibal: Enemy of Rome. New York: Da Capo Press, 1992. Da Capo Press Inc, New York 10013.
3. Livy. The War with Hannibal. Translation by De Selincourt, Aubrey. New York: Penguin Group, 1965. Penguin Press, Inc., New York 10014.
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