13 BC

Year 13 BC was either a common year starting on Friday, Saturday or Sunday or a leap year starting on Friday or Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Nero and Varus.

 Events 
 The Roman general Nero Claudius Drusus builds a stronghold in what is now the city of Mainz, Germany
 Drusus is made governor of Gaul. He traveled to the North Sea to pay tribute to the Frisii.

 Births 

 Drusus Julius Caesar, son of Tiberius Claudius Nero and Vipsania Agrippina (d. AD 23)
 Livilla, daughter of Nero Claudius Drusus and Antonia Minor (d. AD 31)

 Deaths 

 Aemilius Lepidus Paullus, member of the Roman Senate (approximate date) (b. c. 77 BC)
 Marcus Aemilius Lepidus, triumvir (b. c. 90 BC)