Human Conflict Project

All events · Antiquity

The Mauryan Conquest of Kalinga

c. 262–261 BCE · South & Central Asia

Displacement Territory Seized Mass Killing
Displaced
150,000
150,000 deported and 100,000 killed, 'and many more died', are Ashoka's own figures, carved in his Major Rock Edict 13 and repeated at Kalsi, Girnar, Shahbazgarhi and other sites. They are unusual among ancient royal numbers in that they appear in a text of remorse rather than of boasting, which some historians take as a reason to credit them and others as a reason to read them as rhetorically heightened for religious effect. No independent source records the war, there is no corroborating archaeology, and no census or administrative record survives against which to test the figures. They should be treated as the ruler's own claim about his own war.
Killed
100,000
conflict deaths incl. combatants

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What happened

In about 261 BCE, eight years into his reign, Ashoka conquered Kalinga, the last major independent kingdom on the eastern seaboard of the subcontinent. His Major Rock Edict 13 states that 150,000 people were deported, 100,000 were killed and many times that number died of other causes, and presents the emperor's remorse at this suffering as the turning point that led him to renounce conquest by arms in favour of 'conquest by dharma'. The edict is the earliest surviving self-reported deportation figure in South Asian history and one of the very few ancient texts in which a ruler records the human cost of his own campaign as a reproach to himself. Because the numbers exist only in Ashoka's own inscriptions and no other account of the war survives, they cannot be verified; historians differ over whether the remorseful framing makes them more credible than a typical victory monument or simply gives them a different rhetorical purpose. Kalinga remained part of the Mauryan empire, and Ashoka's separate Kalinga edicts address the administration of the conquered province.

Parties

The Mauryan emperor Ashoka conquered and annexed the eastern Indian kingdom of Kalinga, and his own inscriptions record the deportation of 150,000 people

Disputed

The figures of 150,000 deported and 100,000 killed are known only from Ashoka's own edicts; historians disagree over whether the penitential framing makes them more or less likely to be literal.

The denominator

There is no basis for a figure. Ashoka's Thirteenth Major Rock Edict — the only quantitative source — states that 100,000 were killed, 150,000 deported and many times that number died afterwards, but there is no census, tax register or settlement survey against which to set those claims, and estimates of Mauryan India's total population (on the order of 100 million by some reconstructions, far less by others) cannot be disaggregated to Kalinga.

The deportation figure comes from the conqueror's own inscription and cannot be checked against any independent source.

Where the baseline comes from

On the death toll

The figure of 100,000 killed, with unspecified further deaths from associated causes, is Ashoka's own statement in Major Rock Edict 13 and has no independent corroboration; it is reported here as a single claimed value rather than as a scholarly range.

Documented forms of violence

Mass Killing

Ashoka's Major Rock Edict 13 is itself the source documenting the killing and deportation carried out in his campaign.

Movements mapped

Countries touched, on present-day borders

India

Sources

This entry rests only on reference, press or open-edited sources. Treat its figures as indicative and follow the links before relying on them.
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