The Battle of Tigranocerta (, Tigranakerti tchakatamartə) was fought on October 6, 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 was led by Consul Lucius Licinius Lucullus, and Tigranes was defeated. His capital city of Tigranocerta was lost to Rome as a result.