308 CE
In Rome, Emperor Maximian attempts to depose his son Maxentius, but the soldiers in Rome side with Maxentius and force Maximian to flee to the court of Constantine I. Or June 26 – Pope Marcellus I succeeds Pope Marcellinus as the 30th pope. The Han-Zhao Dynasty is established in northern China, marking the official inception of the long lasting Uprising of the Five Barbarians.
Conflict & Security
- April: In Rome, Emperor Maximian attempts to depose his son Maxentius, but the soldiers in Rome side with Maxentius and force Maximian to flee to the court of Constantine I.source
- November 11 – The Conference of Carnuntum: Attempting to keep peace within the Roman Empire, Galerius recalls Diocletian briefly from retirement, and they convene with Maximian. Diocletian persuades Maximian to return to retirement, and he and Galerius declare Maxentius a public enemy. Licinius is proclaimed Augustus of the west, while rival contender Constantine I is again declared Caesar.source
- The overthrow of Maximian prompts the soldiers of Roman Africa to prop up the vicarius of Africa, Domitius Alexander, as a usurper.source
- The Han-Zhao Dynasty is established in northern China, marking the official inception of the long lasting Uprising of the Five Barbarians.source
- Winter: Emperor Galerius wins his third and final victory over the Sarmatians.source
Religion & Belief
Technology & Infrastructure
- Constantine raids the territory of the Bructeri and builds a bridge across the Rhine at Cologne.source
- Bereft of his father's support, Maxentius increasingly presents himself as the Conservator Urbis Suae (Preserver of His Own City). Construction of the Basilica of Maxentius (or Basilica Nova), the largest building in the Roman Forum, is begun.source
Births
- Xie Shang (or Renzu), Chinese general (d. 357)source
Deaths
- Adrian of Batanea (or Eubulus), Christian martyrsource