Maximinus Daia: emperor of the Roman world (r. 310-313).
- 20 November 270(??): real name unknown
- 1 May 305: Galerius Valerius Maximinus Caesar Iovius
- 1 May 310: Imperator Gaius Galerius Valerius Maximinus Augustus
- Persicus (312), Sarmaticus (313), Germanicus (313)
- August 313: natural death
- children: Maximus, and a daughter who was engaged with Candidianus, a son of Galerius and Valeria (daughter of Diocletian)
- 305 Second Tetrarchy: the old emperors Diocletian and Maximianus are succeeded by Galerius and Constantius I Chlorus, who appoint Maximinus Daia and Severus as caesares. Maximinus is responsible for the east, and continues the persecution of Christians.
- 306 Death of Constantius; his son Constantine recognized as caesar; usurpation of Maxentius in Italy; Galerius and Maximinus Daia do not recognize him, but are unable to support Severus, who is defeated and killed
- 307 Consul (with Severus II)
- 310 Maximinus Daia starts using the imperial title
- 311 Consul II (with Galerius VIII); death of Galerius; Maximinus Daia occupies Asia Minor; growing tensions with Licinius, who allies himself to Constantine; Galerius' wife Valeria flees to Daia, who sends her to Syria
- 312 War in Armenia; accepts the title Persicus; Constantine attacks and defeats Maxentius
- 313 Meeting of Licinius and Constantine (Edict of Milan); Licinius attacks Daia, who is defeated near Adrianopel, escapes, but is killed
- Damnatio memoriae
Succeeded by: Licinius