Galerius

Names:

• ±255: Maximinus (?) 
• 21 May 293: Gaius Galerius Valerius Maximianus Caesar Iovius 
• 1 May 305: Imperator Caesar Galerius Valerius Maximianus Augustus
• May 311: natural death

Successor of: Diocletian

Relatives:

• mother: Romula
• married to: an anonymous lady; after 293 Galeria Valeria, daughter of Diocletian
• children: Valeria Maximilla (married to Maxentius), Candidianus (engaged to a daughter of Maximinus Daia)

Main deeds:

• ±255 Born in a town, later called Romulianum, near Serdica
• 293 Founding of the First Tetrarchy: the emperors Diocletian and Maximianus appoint Galerius and Constantius I Chlorus as caesares; all four men accept the title Germanicus Maximus; Galerius divorces his first wife, and marries Galeria Valeria (daughter of Diocletian); in the Sasanian Empire, Bahram II dies, and is succeeded by Bahram III, and Narseh
• 294 Consul (with Constantius Chlorus); Diocletian defeats the Sarmatians; Galerius' campaign to Upper-Egypt; he accepts the title Sarmaticus Maximus and perhaps also the titles Aegyptiacus Maximus and Thebaicus Maximus
• 295 War against the Persians (?); accepts the title Persicus Maximus
• 296 The Persian king Narseh occupies Armenia; Diocletian fights against the Carpi; Galerius accepts the title Carpicus Maximus and adds Britannicus Maximus after Constantius has reconquered Britain
• 297 Consul II (with Maximianus V); Galerius defeated by the Persians in Mesopotamia
• 298 Galerius defeats Narseh and accepts the titles Armeniacus Maximus, Medicus Maximus, Adiabenicus Maximus, and Persicus Maximus II
• 299 Beginning of a protracted war along the Danube against the Sarmatians and Carpi
• 300 Consul III (with Constantius Chlorus III); accepts the title Sarmaticus Maximus II 
• 301 Monetary reform; edict on Maximum Prizes;Constantius fights against the Germanic tribes, Galerius against the Carpi; both accept the titles Germanicus Maximus II and Carpicus Maximus II
• 302 Consul IV (with Constantius Chlorus IV); Monetary reform;  accepts the titles Germanicus Maximus III, Sarmaticus Maximus III and Carpicus Maximus III
• 303 In the Sasanian Empire, Narseh dies and is succeeded by Hormizd II; edict against the Christians; Galerius accepts the titles Germanicus Maximus IV and Carpicus Maximus IV
• 304 End of the war in the Rhineland and along the Danube; the two caesares accept the titles Germanicus Maximus V and Carpicus Maximus V
• 305 Consul V (with Constantius Chlorus V); Diocletian and Maximianus resign; Second Tetrarchy: they are succeeded by Galerius and Constantius I Chlorus, who appoint as caesares Maximinus Daia and Severus II; Galerius accepts the title Britannicus Maximus II
• 306 Consul VI (with Constantius Chlorus VI); death of Constantius, who is succeeded as augustus by Severus II and as caesar by Constantine; in Italy, Maxentius occupies Rome; Galerius recognizes Constantine (Third Tetrarchy); tax edict
• 306/307 Galerius defeats the Sarmatians, accepts the title Sarmaticus Maximus IV
• 307 Galerius in Italy; he refuses to recognize Maxentius; accepts the title Germanicus Maximus VI after a victory by Constantine
• 308 Consul VII (with Diocletian X); war along the Danube; accepts the titles Germanicus Maximus VII and Carpicus Maximus VI; conference of Carnuntum; Licinius recognized as emperor in the west
• 310 accepts the titles Sarmaticus Maximus V and Persicus Maximus III; in the Sasanian empire, Hormizd II dies and is succeeded by the young Shapur II
• 311 Consul VIII (with Maximinus Daia); the anti-Christian edict revoked; death

• 301 Gregory the Illuminator converts the Armenians
• 305 Death of Porphyry

Succeeded by: Licinius, Maximinus Daia