40 BC

Millennium:	1st millennium BC
Centuries:	2nd century BC – 1st century BC – 1st century
Decades:	70s BC  60s BC  50s BC  – 40s BC –  30s BC  20s BC  10s BC
Years:	43 BC 42 BC 41 BC – 40 BC – 39 BC 38 BC 37 BC

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Year 40 BC was either a common year starting on Thursday, Friday or Saturday or a leap year starting on Thursday or Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Calvinus and Pollio.

Events

• Lucius Antonius surrenders to Octavian in the Siege of Perusia
• Octavian divorces Clodia Pulchra and marries Scribonia
• Sextus Pompey captures Sardinia
• Treaty of Brundisium: The Roman Republic is divided. Gaius Octavian takes control of the Western provinces. Mark Antony is given the Eastern provinces. Marcus Aemilius Lepidus controls Hispania and Africa.
• Quintus Labienus occupies Cilicia and marches with an army into Anatolia.
• Parthians conquer Jerusalem. Hyrcanus II is removed from power.
• Herod the Great flees Jerusalem to Rome. There he is titled king of Judea by Mark Antony.

Births

• Cleopatra Selene (d. AD 6) and Alexander Helios (d. between 29 and 25 BC), the twins of Cleopatra VII of Egypt and Mark Antony

Deaths

• Gaius Claudius Marcellus Minor dies, leaving Octavia Minor widowed. She will later marry Mark Antony by decree of the Roman Senate (b. 88 BC)
• Fulvia, wife of Publius Clodius Pulcher