: 2nd century BC
- 1st century BC
- 1st century
Decades: 130s BC 120s BC 110s BC 100s BC 90s BC - 80s BC - 70s BC 60s BC 50s BC 40s BC 30s BC
Years: 85 BC 84 BC 83 BC 82 BC 81 BC - 80 BC - 79 BC 78 BC 77 BC 76 BC 75 BC
- Battle of the Baetis River - Rebel forces under Quintus Sertorius defeat the legal Roman forces of Lucius Fulfidias in Spain.
- Alexandria comes under Roman jurisdiction
- Meleager publishes his Garland, the earliest known anthology of Greek poetry.
- Berenice II, queen of Egypt.