40 BC

{{yearbox|

 in?= |
 cp=2nd century BC |
 c=1st century BC |
 cf=1st century 
 yp1=43 BC |
 yp2=42 BC |
 yp3=41 BC |
 year=40 BC |
 ya1=39 BC |
 ya2=38 BC |
 ya3=37 BC 
 dp3=70s BC |
 dp2=60s BC |
 dp1=50s BC |
 d=40s BC |
 dn1=30s BC |
 dn2=20s BC |

dn3=10s BC |

Events

* Athenodorus a philosopher, encounters a ghost in Athens. This popular story is one of the first of the poltergeist stories in history.
* Parthians conquer Jerusalem. Hyrcanus II is removed from power, while Mattathias Antigonus becomes king of Judea under Parthian rule. Herod the Great flees Jerusalem to Rome. There he is titled king of Judaea by Mark Antony.
* Treaty of Brundisium, agreement between Octavian and Antony, dividing the Roman world between themselves and Lepidus, the treaty was cemented by the marriage of Antony and Octavia Minor, sister of Octavian.

Births

* Cleopatra Selene and Alexander Helios, the twins of Cleopatra VII of Egypt and Mark Antony.

Deaths

*Fulvia, wife of Publius Clodius Pulcher and Mark Antony.
*May: Gaius Claudius Marcellus Minor dies, leaving Octavia Minor widowed. She will later marry Mark Antony by decree of the Roman Senate.