Constantine I got a visit from Maximian in the end of 307, they agreed to acknowledge each others claim to emperorship and the claim of Maxentius in Italy. Constantine married Maximians daughter, Fausta. Constantine I now ruled as emperor in Gaul, Britain and Spain, he used to rule as caesar.
| Preceded by | Head of state in Leiden as emperor of the Roman Empire 307-308 |
Succeeded by |