302 CE

Emperor Diocletian persecutes the Manichaeans, accusing them of being a Persian fifth column. Iamblichus of Chalcis writes a treatise on magic and the occult. Narseh, ruler (Shahanshah) of the Sassanid Empire, dies after a 9-year reign. He is succeeded by his son Hormizd II.

In the 300s, the 4th century.

Conflict & Security

  • Emperor Diocletian persecutes the Manichaeans, accusing them of being a Persian fifth column.source
  • Caesar Galerius wins his second victory over the Carpi.source
  • An invasion of Gaul by the Alemannic Lingones almost traps Caesar Constantius I between the enemy and the walls of a town. Constantius himself is carried onto the wall via a crane. However, within the same day, Constantius sallies forth from the walls and defeats the enemy in a major battle.source

Religion & Belief

  • Gregory the Illuminator is consecrated as Patriarch of Armenia by Leontius of Caesarea.source

Culture & Society

  • Iamblichus of Chalcis writes a treatise on magic and the occult.source

Births

  • Sun Sheng (or Anguo), Chinese historian (died 373)source

Deaths

  • Cao Huan, Chinese emperor of the Cao Wei state (born 246)source
  • Sima Jiong (or Jingzhi), Chinese prince and regentsource
  • Narseh (or Narses), ruler of the Sassanid Empiresource
  • Narseh, ruler (Shahanshah) of the Sassanid Empire, dies after a 9-year reign. He is succeeded by his son Hormizd II.source