Cyzicus 293-305 CE
Æ Radiatus 20mm, 2,89g
March 31
Birth of Constantius Chlorus on Moesia Superior.
February 27
Birth of Constantine the Great in Moesia Superior to Constantius Chlorus and Helena.
Constantius Chlorus made a praetorian prefect in the West under Maximian.
March 1
Maximian promotes Constantius Chlorus to Caesar with the approval of Diocletian.
November
Constantius Chlorus defeats the forces of Carausius, who had declared himself emperor in Gaul.
Constantius Chlorus achieves several victories over the Alamanni.
Constantius Chlorus defeats the Alemanni at the Battle of Lingones.
Constantius Chlorus fights against the Franks on the Rhein frontier.
May 1
Diocletian announces his resignation. Maximian follows suit. Constantius and Galerius are promoted to Augusti, while Severus II and Maximinus are appointed Caesars.
June
Constantius requests his son Constantine I join him in Britain. Galerius grants the request after drinking heavily.
July 25
Death of Constantius Chlorus in Britain. Constantine the Great is declared Augustus by his troops.
January 7
Constantius Chlorus defeats the Picts in battle, earning the title of Britannicus.