66 BCE

Catiline accused of conspiring against the Roman Republic with Autronius and the younger Sulla (also in 63 BC during the consulship of Cicero). Battle of the Lycus: Pompey the Great decisively defeats Mithridates VI, effectively ending the Third Mithridatic War. The lex Manilia, supported by Cicero gives Pompey command over all of Asia.

In the 60s BC, the 1st century BC.

Geopolitics & Diplomacy

  • The alliance between Mithridates VI of Pontus and Tigranes II of Armenia is broken.source

Conflict & Security

  • Battle of the Lycus: Pompey the Great decisively defeats Mithridates VI, effectively ending the Third Mithridatic War.source
  • Tigranes II is forced to surrender, by a payment of 6,000 talents, and is reinstated by Pompey as a "friend of the Roman people" to hold Armenia as a buffer zone.source
  • The lex Manilia, supported by Cicero gives Pompey command over all of Asia.source

Exploration & Expansion

  • Consuls: Manius Aemilius Lepidus and Lucius Volcatius Tullus.source

Religion & Belief

  • Catiline accused of conspiring against the Roman Republic with Autronius and the younger Sulla (also in 63 BC during the consulship of Cicero).source
  • Aristobulus II becomes king and high priest of Judea, until 63 BC.source
  • Cicero becomes praetor in Rome.source
  • Gaius Antonius elected Roman praetor.source

Births

  • Octavia (the Younger), grandniece of Julius Caesar (died 11 BC)source

Deaths

  • Licinius Macer, Roman annalistsource