320

Events 
 By place 
 Roman Empire 
 Crispus wins against the Franks.
 Licinius stopped the religious freedom promised by the Edict of Milan.  He persecutes Christians in the Eastern Roman Empire. 

 Asia 
 King Chandragupta I founds the Gupta dynasty in northern India.
 The Huns appear in Persia. 

 By topic 
 Art 
 Old St. Peter's Basilica, Rome, is started to be built (approximate date).

 Culture and Religion 
 In Nydam Mose (Denmark) the Nydam oak boat is sacrificed by the Danes. The boat is excavated in the 1830s, when a local farmer finds weapons including swords and spears.  
 December 25 is introduced as the birthday of Jesus.

 Science 
 October 18 – Pappus of Alexandria, Greek philosopher, sees an eclipse of the sun.  He writes on The Great Astronomer (Almagest). 

 Births 
 Aurelius Victor, historian and politician (approximate date)
 Constans I, Roman emperor (d. 350)
 Flavian I, Patriarch of Antioch (d. 404)
 Jin Jianwendi, emperor of the Jin Dynasty (d. 372)
 Oribasius, Greek physician (approximate date)
 Tuoba Shiyijian, prince of the Tuoba Dai (d. 376)
 Xie An, statesman of the Jin Dynasty (d. 385)

 Deaths 
 Lactantius, Christian writer (approximate date)
 Sima Bao, prince of the Jin Dynasty (b. 294)

Category:320s