412 CE

Heraclianus, governor (Comes Africae), revolts against Honorius and proclaims himself Augustus. He interrupts the grain supply to Rome. Honorius condemns him and his supporters to death with an edict at Ravenna. Lazarus, bishop of Aix-en-Provence, and Heros, bishop of Arles, are expelled from their sees on a charge of Manichaeism. Winter – Olympiodorus, historical writer, is sent on an embassy by Honorius, and sails in stormy weather around Greece up the Black Sea, to meet the Huns who are located on the middle Danube (modern Bulgaria).

In the 410s, the 5th century.

Geopolitics & Diplomacy

  • Emperor Jovinus elevates his brother Sebastianus as co-emperor (Augustus) and takes control of Gaul.source
  • The forts on the west bank of the Danube, which were destroyed by the Huns, are rebuilt, and a new Danubian fleet is launched.source

Conflict & Security

  • Heraclianus, governor (Comes Africae), revolts against Honorius and proclaims himself Augustus. He interrupts the grain supply to Rome. Honorius condemns him and his supporters to death with an edict at Ravenna.source
  • The Visigoths, led by King Ataulf, move into the south of Gaul. He establishes his residence at Narbonne, and makes an alliance with Emperor Honorius, against the usurper Jovinus.source

Exploration & Expansion

  • Winter – Olympiodorus, historical writer, is sent on an embassy by Honorius, and sails in stormy weather around Greece up the Black Sea, to meet the Huns who are located on the middle Danube (modern Bulgaria).source

Religion & Belief

  • An edict of Honorius outlaws Donatism.source
  • Lazarus, bishop of Aix-en-Provence, and Heros, bishop of Arles, are expelled from their sees on a charge of Manichaeism.source
  • Fa-Hien, Chinese Buddhist monk, spends 2 years in Ceylon and is more than 200 days at sea as storms drive his ship off its course, but returns with sacred Buddhist texts back to China (see 414).source
  • Cyril of Alexandria becomes Patriarch of Alexandria.source

Technology & Infrastructure

  • The Theodosian Walls are constructed at Constantinople during the reign of emperor Theodosius II. The work is carried out under supervision of Anthemius, notable praetorian prefect of the East.source

Births

  • February 8 – Proclus, Greek Neoplatonist philosopher (died 485)source
  • Lu Huinan, empress dowager of the Liu Song dynasty (died 466)source

Deaths

  • October 15 – Theophilus, Patriarch of Alexandriasource
  • Wang Shen'ai, empress of the Jin dynasty (born 384)source
  • Qifu Gangui, prince of the Xianbei state Western Qinsource
  • Gwanggaeto the Great, king of Goguryeo (born 374)source