Who was alive in AD 300?
35 of the people we track were surely alive in AD 300. The best known are listed first, with the age each reached that year; a range such as 17–21 means the birth year itself is uncertain.
Constantine the Great26–30
Diocletian51–60
Saint George25
Athanasius of Alexandria4
Arius41–50- Eusebius32–37
Anthony the Great49
Constantius Chlorus50
Pope Marcellus I45Helena, mother of Constantine I48–52
Saint Lucy15–20
Catherine of Alexandria13–18
Licinius35–40
Maximian50–60
Galerius42
Saint Barbara27
Maxentius22
Agnes of Rome7–12
Iamblichus52–57
Lactantius57–63
Maximinus Daza30- Pappus of Alexandria8–12
Margaret the Virgin5–11
Gregory the Illuminator61- Pope Alexander I of Alexandria50
Pachomius the Great8
Paul of Thebes71–76
Saint Pantaleon17–23
Emperor Nintoku10
Januarius28
Saint Nino4
Arnobius45
Saint Marinus25- Ermanaric7–12
Saint Vitus10
Where the people alive in AD 300 were born
Birthplaces as a list
- Constantine the Great: Niš
- Diocletian: Doclea
- Saint George: Kayseri
- Athanasius of Alexandria: Alexandria
- Arius: Cyrenaica
- Eusebius: Caesarea Maritima
- Anthony the Great: Coma
- Constantius Chlorus: Dardania
- Pope Marcellus I: Rome
- Helena, mother of Constantine I: Helenopolis
- Saint Lucy: Syracuse
- Catherine of Alexandria: Alexandria
- Licinius: Felix Romuliana
- Maximian: Sirmium
- Galerius: Dacia
- Saint Barbara: Nicomedia
- Maxentius: Rome
- Agnes of Rome: Rome
- Iamblichus: Qinnasrin
- Maximinus Daza: Gamzigrad
- Pappus of Alexandria: Alexandria
- Margaret the Virgin: Antioch of Pisidia
- Gregory the Illuminator: Armenia
- Pope Alexander I of Alexandria: Alexandria
- Pachomius the Great: Esna
- Paul of Thebes: Egypt
- Saint Pantaleon: Nicomedia
- Januarius: Benevento
- Saint Nino: Cappadocia
- Arnobius: El Kef
- Saint Marinus: Dalmatia
- Saint Vitus: Mazara del Vallo