Abdication
Severus surrenders at Ravenna and relinquishes the imperial title after the failure of his campaign against Maxentius.
Permanent historical records · Updated 2026-11-03
307 in Roman Empire
Explore 22 historical events and records for Roman Empire in 307.
Historical records for Roman Empire in 307
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April
September
Death of Severus II
Severus is killed in September 307 while held by Maxentius's regime; ancient sources differ about the precise manner of his death.
Other events (month unknown)
Army Formerly Served Maximian
Many soldiers in Severus's invading army had previously served under Maximian, creating a serious loyalty problem during the campaign.
Consulship with Maximinus Daia
Severus serves as consul with Maximinus Daia during the final year of his reign.
Death of Galerius Valerius
War against Flavius Valerius Severus ends with the execution of Severus
Detention at Tres Tabernae
Severus is confined at Tres Tabernae on the Appian Way after being removed from active imperial politics.
Displayed as Prisoner
After surrendering, Severus is taken to Rome and publicly held as a captive of Maxentius's regime.
Execution of Severus
War against Flavius Valerius Severus ends with the execution of Severus
Hostage against Galerius
Maxentius's regime keeps Severus as a hostage while Galerius prepares his own intervention in Italy.
Invasion of Italy
Forced to abandon an Invasion of Italy due to disloyalty in the army
March from Mediolanum
Severus advances from Mediolanum toward Rome with an army assembled to suppress Maxentius.
Marriage to Fausta
Constantine marries Fausta, the daughter of the retired emperor Maximian, strengthening his political alliance with Maximian.
Maximian Negotiates Surrender
Maximian negotiates with Severus at Ravenna and offers assurances that his life will be spared if he surrenders.
Ordered to Suppress Maxentius
Galerius orders Severus to march against Maxentius and restore tetrarchic control in Italy.
Ravenna Defensive Position
Severus takes refuge at Ravenna, whose defenses and marshy surroundings make direct assault difficult.
Recognized as Augustus by Maximian
Maximian recognizes Constantine as Augustus during their alliance, although other tetrarchic rulers do not immediately accept the higher rank.
Retreat to Ravenna
After his army collapses through desertion, Severus retreats to the strongly fortified city of Ravenna.
Rule of Gaul and Britain
Constantine exercises effective authority in Gaul and Britain while the tetrarchic succession remains contested.
Siege of Rome
Severus reaches Rome and attempts to suppress Maxentius, but his army proves unreliable outside the city.
Succession
Recognized as the Senior Emperor
Survived by Severianus
Severus is survived by a son, Flavius Severianus, who later appears in the political struggles of the Constantinian period.
Troop Desertions
Large numbers of Severus's troops desert when Maximian returns to support his son Maxentius.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.