Centuries: 2nd century BC - 1st century BC - 1st century

Decades: 90s BC 80s BC 70s BC 60s BC 50s BC - 40s BC - 30s BC 20s BC 10s BC 0s BC 0s

Years: 47 BC 46 BC 45 BC 44 BC 43 BC 42 BC 41 BC 40 BC 39 BC 38 BC 37 BC

Events

• October 3 - First Battle of Philippi: The Triumvirs Mark Antony and Octavian fight an indecisive battle with Caesar's assassins Marcus Junius Brutus and Cassius. Although Brutus defeats Octavian, Antony defeats Cassius.
• October 23 - Second Battle of Philippi: Brutus' army is decisively defeated by Antony and Octavian.

Births

• November 16 - Tiberius, Roman emperor

Deaths

• October 3 - Gaius Cassius Longinus, assassin of Julius Caesar (suicide)
• October 23 - Marcus Junius Brutus, protege and assassin of Julius Caesar (suicide)