43 BC

Year 43 BC was either a common year starting on Sunday, Monday or Tuesday or a leap year starting on Sunday or Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Pansa and Hirtius.

Events
 Marcus Junius Brutus defeats Gaius Antonius at Dyrrachium
 The Senate declares Antony an enemy of the state
 Sextus Pompey becomes supreme commander of the Roman navy
 Gaius Octavian meets Antony and Lepidus in Bononia.  The three make an official five-year pact, the Second Triumvirate.
 Lugdunum (Lyon) is founded.

 Births 

 Publius Ovidius Naso (Ovid), Roman poet (d. 17/18)
 Princess Iotapa of Media

 Deaths 

 Porcia Catonis, wife of Marcus Junius Brutus (b. 70 BC)
 Cicero, Roman politician and author (b. 106 BC)
 Atia Balba Caesonia, niece of Julius Caesar and mother of Augustus (b. 85 BC)
 Decimus Brutus, Roman statesman (b. c. 85 BC)
 Publius Cornelius Dolabella, consul (b. 70 BC)
 Hirtius, Roman statesman (b. c. 90 BC)
 Quintus Tullius Cicero (b. 102 BC)
 Pansa, Roman statesman 
 Trebonius, assassin of Julius Caesar (b. c. 92 BC)
 Verres, corrupt praetor (b. c. 120 BC)
 Antipater the Idumaean

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