MAPS OF HISTORY · ON THIS DAY · August 2 · 216 BC
ON THIS DAY · 2 AUGUST 216 BC
Cannae. Hannibal’s smaller army swallows eight Roman legions whole —…
Cannae. Hannibal’s smaller army swallows eight Roman legions whole — the double envelopment every general since has dreamed of.
THE MOMENT IN CONTEXT
The long blue arrow is one of history’s most audacious campaigns. In 218 BC Hannibal Barca leaves New Carthage in Spain with perhaps 90,000 men, crosses the Rhône, and takes 37 elephants over the Alps in autumn snow — arriving in Italy with barely 26,000 survivors. It is enough. At the Trebia he baits a Roman army into an icy river and kills half of it; at Lake Trasimene he stages the largest ambush in military history and destroys another, consul and all; and at Cannae, on 2 August 216, his outnumbered army bends backward on purpose, wraps its cavalry around the Roman flanks, and annihilates the largest force Rome has ever fielded — perhaps 60,000–70,000 dead in an afternoon, including a consul, both consuls’ quaestors, and a third of the Senate. Three years, three catastrophes; the south of Italy (hatched blue on your map) defects to him. By every rule of Hellenistic warfare, the war is over.
From Chapter 2 — The Punic Wars: Hannibal of The Rise and Fall of Rome, 264 BC – AD 476 (216 BC).
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TEACH THIS IN 5 MINUTES
- Why it happened — A treaty written in resentment. The peace of 241 was harsh; the seizure of Sardinia in 238 — legally naked opportunism while Carthage fought its own mutinous mercenaries — made it…
- The turn — Cannae, 2 August 216 BC. The hinge is not the battle but the response. Any Hellenistic state that lost 60,000 men — an eighth of its adult male citizens and allies within…
- What it changed — The Mediterranean’s center of gravity moves west. Carthage’s fall to client status (watch the tan of its African hinterland turn grey too — Numidia under Masinissa becomes Rome’s ally and Carthage’s…
Then ask the room: Rome lost perhaps one adult male citizen in eight at Cannae — in one afternoon — and kept fighting. Why could it, when any contemporary state would have sued for peace? The argued answer is on the chapter page →
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