Maximian makes plans to attack Carausius in Britain, but for unknown reasons those plans fail.
Approximate birth year of Maximian in Sirmium.
Approximate birth year of Maxentius to Eutropia and Maximian.
Maximian charges Carausias with clearly the English Channel of pirates.
July 25
Maximian promoted to Caesar by Diocletian.
April 1
Maximian declares himself Augustus. This is confirmed by Diocletian.
Diocletian assumes the title Iovius and Maximian takes Herculius.
December
Carausius, upon learning that Maximian has ordered his execution, declares himself Emperor of Britain and northern Gaul.
Constantius Chlorus made a praetorian prefect in the West under Maximian.
Diocletian and Maximian execute a joint campaign against the Alamanni.
Approximate birth year of Fausta to Maximian and Eutropia.
January
Diocletian and Maximian meet in Milan and are seen together in a number of public performances.
March 1
Maximian promotes Constantius Chlorus to Caesar with the approval of Diocletian.
Maximian begins an offensive against the Berbers.
March 10
Maximian makes a triumphal entry into Carthage.
Maximian celebrates a triumph in Rome.
May 1
Diocletian announces his resignation. Maximian follows suit. Constantius and Galerius are promoted to Augusti, while Severus II and Maximinus are appointed Caesars.
Maximian returns to Rome but falls out with his son, Maxentius
July
Constantine the Great and Maxentius agree to a peace, brokered by Maximian, where Constantine marries Maximian’s daughter Fausta and Constantine would support Maxentius in Italy.
Maximian attempts to take his son Maxentius‘ title. This fails and he returns to the court of Constantine the Great.
November 11
Galerius calls a council to discuss the disruptive western provinces. Diocletian and Maximian attend. Maximian is forced to abdicate and Constantine the Great is demoted to Caesar under the new Augustus Licinius.
Maximian rebels against Constantine the Great while he is fighting the Franks.
July
Constantine the Great captures Maximian at Arles when the citizens open their rear gates to him. Maximian commits suicide.
July 25
Constantine the Great, no longer able to rely on the Maximian family for name, invents that he descended from Claudius Gothicus.