45 BC

Year 45 BC was either a common year starting on Thursday, Friday or Saturday or a leap year starting on Friday or Saturday and the first year of the Julian calendar. At the time, it was known as the Year of the Consulship of Caesar without Colleague.

 Events 
 Julius Caesar defeats the Pompeian forces of Titus Labienus and Pompey the younger in the Battle of Munda
 Possible first year of the Azes I Era

 Births 

 Iullus Antonius, son of Mark Antony and Fulvia (d. 2 BC)
 Wang Mang, usurper of the Han Dynasty and Emperor of the Xin Dynasty (d. 23)

 Deaths 

 Tullia, daughter of Cicero (b. 79 BC or 78 BC)
 Titus Labienus (b. c. 100 BC)
 Publius Attius Varus
 Gnaeus Pompeius, son of Pompey the Great (b. c. 75 BC)
 Quintus Fabius Maximus

Category:40s BC