# 66 BC

Centuries: 2nd century BC -**1st century BC**- 1st century

Decades: 110s BC 100s BC 90s BC 80s BC 70s BC - **60s BC** - 50s BC 40s BC 30s BC 20s BC 10s BC

Years: 71 BC 70 BC 69 BC 68 BC 67 BC **66 BC** 65 BC 64 BC 63 BC 62 BC 61 BC

**Events**

- Catiline accused of conspiring against the Roman Republic with Autronius and the younger Sulla.
- The alliance between Mithridates VI of Pontus and Tigranes I of Armenia is broken.
- Battle of the Lycus - Pompey the Great decisively defeats Mithridates VI, effectively ending the Third Mithridatic War.
- Comet Halley passed earth.

**Births**

**Deaths**