WHAT HAPPENED IN 4. CENTURY
Find out what all happened in the 4. century

Emperor Jin Huidi is executed by Liu Cong, ruler of the Xiongnu state (Han Zhao). (14. March 313)

Constantius II elevates his cousin Gallus to Caesar, and puts him in charge of the Eastern part of the Roman Empire. (15. March 351)

Roman Emperor Valentinian I appoints his brother Flavius Valens co-emperor. (28. March 364)

After divorcing his wife Minervina, Constantine marries Fausta, the daughter of the retired Roman Emperor Maximian. (31. March 307)

Crown Prince Jin Chengdi, age 4, succeeds his father Jin Mingdi as emperor of the Eastern Jin Dynasty. (1. April 325)

Emperor Arcadius marries Aelia Eudoxia, daughter of the Frankish general Flavius Bauto. She becomes one of the more powerful Roman empresses of Late Antiquity. (27. April 395)

Emperor Constantius II enters Rome for the first time to celebrate his victory over Magnus Magnentius. (28. April 357)

The Diocletianic Persecution of Christians in the Roman Empire ends. (30. April 311)

Battle of Tzirallum: Emperor Licinius defeats Maximinus II and unifies the Eastern Roman Empire. (30. April 313)

Diocletian and Maximian retire from the office of Roman Emperor. (1. May 305)

The Jewish revolt against Gallus breaks out. After his arrival at Antioch, the Jews begin a rebellion in Palestine. (7. May 351)

Byzantium is renamed Nova Roma during a dedication ceremony, but it is more popularly referred to as Constantinople. (11. May 330)

Roman Emperor Diocletian orders the beheading of the 14-year-old Pancras of Rome. (12. May 304)

Emperor Valentinian II is assassinated while advancing into Gaul against the Frankish usurper Arbogast. He is found hanging in his residence at Vienne. (15. May 392)

Constantine the Great announced free distributions of food to the citizens in Constantinople. (18. May 332)

The First Council of Nicea – the first Ecumenical Council of the Christian Church is held. (20. May 325)

The Macedonian army of Alexander the Great defeats Darius III of Persia in the Battle of the Granicus. (22. May 334. BC)

The Roman emperor Julian defeats the Sassanid army in the Battle of Ctesiphon, under the walls of the Sassanid capital, but is unable to take the city. (29. May 363)

The Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman Emperor, entering Rome at the head of a group of gladiators. (3. June 350)

Alexander the Great dies in the palace of Nebuchadnezzar II in Babylon (11. June 323. BC)