80 BCCenturies: 2nd century BC - 1st century BC - 1st century
- 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.