1 BC

Year 1  was a leap year starting on Thursday in the proleptic Julian calendar. Some sources list it as a common year starting on either Friday or Saturday. At the time, it was known as the Year of the Consulship of Lentulus and Piso.

Events
 Emperor Augustus made a peace treaty with Phraates V
 Ovid writes the Ars Amatoria
 Ping of Han becomes Emperor of China
 December 25 - Birth of Jesus as given by Dionysius Exiguus

 Births 

 Ptolemy of Mauretania (d. AD 40)
 Jesus Christ (b. 6 April 1BC  d. AD 33)

 Deaths 

Dong Xian, a Han Dynasty Chinese official under Emperor Ai of Han (b. 23 BC)
Emperor Ai of Han (b. 27 BC)
Empress Fu
Empress Zhao Feiyan (b. 32 BC)