Roman Republic troops under Lucius Lucullus defeat the army of Tigranes II of Armenia in the Battle of Tigranocerta, and capture Tigranocerta, capital of Armenia. Ptolemy XII deposes Cleopatra V, and becomes sole ruler. Antiochus XIII Asiaticus is installed as king of Syria.
Geopolitics & Diplomacy
Parthians and Romans re-establish Euphrates as a frontier.source
Rhodes becomes a bulwark against pirates, the Rhodians are unable to suppress piracy in the Aegean Sea. Delos gets the status of a free port.source
Conflict & Security
October 6 – Roman Republic troops under Lucius Lucullus defeat the army of Tigranes II of Armenia in the Battle of Tigranocerta, and capture Tigranocerta, capital of Armenia.source
Kydonia, an ancient city on the island of Crete falls to Roman military forces.source
Ptolemy XII deposes Cleopatra V, and becomes sole ruler.source
Exploration & Expansion
Consuls: Quintus Caecilius Metellus Creticus and Quintus Hortensius.source