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BATTLE // -68 BCE

Battle of Tigranocerta

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Overview

The Battle of Tigranocerta was fought on 6 October 69 BC between the forces of the Roman Republic and the army of the Kingdom of Armenia led by King Tigranes the Great. The Roman force, led by Consul Lucius Licinius Lucullus, defeated Tigranes, and as a result, captured Tigranes' capital city of Tigranocerta.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Tigranocerta, fought on 6 October 69 BC, was a decisive Roman victory in the Third Mithridatic War in which Consul Lucius Licinius Lucullus defeated Tigranes the Great despite commanding a force significantly smaller than the Armenian army — Roman strength was recorded between 11,000 and 40,000 against an Armenian force of 70,000 to 100,000. Armenian casualties reached approximately 10,000. The immediate strategic consequence was the capture of Tigranocerta, the Armenian capital, representing a major blow to Tigranes and his position in the wider conflict. Tigranes had entered the war as a powerful ally whose resources and territory had extended the reach of Roman operations well beyond the original theater against Mithridates of Pontus. The fall of his capital demonstrated Roman operational reach into Armenia itself and degraded the capacity of the Pontic-Armenian alliance to sustain resistance against Lucullus during this phase of the war.

Forces & casualties

Troop strength

  • Roman Republic11,000–40,000
    medium
  • Kingdom of Armenia70,000–100,000
    medium

Kingdom of Armenia fielded a 3.3 : 1 numerical advantage

Casualties

  • Kingdom of Armenia10,000
    medium12% loss rate

Commanders (4)

Kingdom of Armenia

Roman Republic

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Last verified July 2026
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