Centuries: 2nd century BC - 1st century BC - 1st century
- February - Roman general Julius Caesar and his ally Cleopatra VII of Egypt defeat the forces of the rival Egyptian Queen Arsinoe IV in the Battle of the Nile.
- May - Julius Caesar defeated Pharnascus, king of the Bosporus in the Battle of Zela. (This is the war that Caesar tersely described veni, vidi, vici.)
- Pharaoh Cleopatra VII of Egypt promotes her younger brother Ptolemy XIV of Egypt to co-ruler.