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Battle of Cannae

The Battle of Cannae was a major battle of the Second Punic War fought on 2 August 216 BCE near Cannae in Apulia, southeastern Italy.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

The Battle of Cannae was a major battle of the Second Punic War fought on 2 August 216 BCE near Cannae in Apulia, southeastern Italy. Hannibal’s Carthaginian army decisively defeated a larger Roman force in one of history’s most famous examples of double envelopment. The battle is studied in Canadian military history and strategy courses as a classic example of encirclement and decisive battlefield manoeuvre.

Background

Cannae took place during the Second Punic War, when Carthage under Hannibal challenged Roman power in the western Mediterranean. The battle followed earlier Roman-Carthaginian clashes and became the war’s most famous engagement.

The battle

On the field near Cannae, Hannibal used a deliberate encirclement to trap the Roman army. Ancient and modern accounts describe the action as a double envelopment that led to the destruction of most of the Roman force.

Casualties and aftermath

Ancient sources give differing casualty figures, but the Roman losses were enormous, with tens of thousands killed and many captured. The victory shocked Rome, though Carthage was unable to convert it into final strategic success in the war.

Historical significance

Military historians often treat Cannae as one of the clearest examples of tactical encirclement. The battle has remained a standard case study in strategy and battlefield manoeuvre for centuries.

Key facts

  • Hannibal’s army surrounded and destroyed a much larger Roman and allied force.
  • The battle is widely cited as a classic example of the double envelopment maneuver.
  • Roman casualty estimates vary by ancient source and modern historian, but the defeat was catastrophic.
  • Despite the victory, Cannae did not end the Second Punic War in Carthage’s favour.
  • The battle occurred near the ancient village of Cannae in southern Italy.
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Canadian context

The battle is studied in Canadian military history and strategy courses as a classic example of encirclement and decisive battlefield manoeuvre.

Frequently asked questions

When did the Battle of Cannae take place?
It was fought on 2 August 216 BCE during the Second Punic War.
Where was the Battle of Cannae fought?
It took place near the ancient village of Cannae in Apulia, in southeastern Italy.
Who won the Battle of Cannae?
Carthage, led by Hannibal Barca, won decisively against the Roman Republic.
Why is the Battle of Cannae famous?
It is famous for Hannibal’s double envelopment, which destroyed a much larger Roman army and became a classic military example.
How many people died at Cannae?
Ancient sources and modern estimates vary, but Roman losses are commonly placed in the tens of thousands, while Carthaginian losses were far smaller.
Did Cannae end the Second Punic War?
No. It was a major Carthaginian victory, but the war continued and ultimately ended in Rome’s favour.

References

  1. Encyclopaedia Britannicahttps://www.britannica.com/event/Battle-of-Cannae
    Supports: Date, location, combatants, outcome, and double envelopment description
  2. History.co.ukhttps://www.history.co.uk/article/the-battle-of-cannae-one-of-the-most-pivotal-battles-in-western-history
    Supports: Date, war, belligerents, commanders, and historical significance
  3. HISTORYhttps://www.history.com/articles/ancient-romes-darkest-day-the-battle-of-cannae
    Supports: Casualty estimates and battle aftermath
  4. Hoover Institutionhttps://www.hoover.org/research/cannae
    Supports: Date, commanders, war context, and casualty estimates
  5. War on the Rockshttps://warontherocks.com/the-importance-of-the-battle-of-cannae/
    Supports: Battle significance and casualty discussion
  6. Encyclopaedia Britannicahttps://www.britannica.com/summary/Battle-of-Cannae
    Supports: Concise summary of date, location, combatants, and battle tactic
  7. Warfare History Networkhttps://warfarehistorynetwork.com/article/battle-of-cannae-slaughter/
    Supports: Double envelopment explanation and tactical importance