Who Was Alive

Were Constantine the Great and Valentinian I alive at the same time?

Yes. Constantine the Great and Valentinian I were alive at the same time for 15 years, from AD 321 to AD 337.

Valentinian I was 15 when Constantine the Great died.

Constantine the Great

Constantine the Great

Roman emperor

Born c. AD 272 · died 22 May AD 337

Valentinian I

Valentinian I

Roman emperor

Born 3 July AD 321 · died 17 November AD 375, aged 54

  1. Diocletian, 240s – AD 316
  2. Constantine the Great, c. AD 272 – AD 337
  3. Saint George, AD 275 – c. AD 303
  4. Valentinian I, AD 321 – AD 375
  5. Basil of Caesarea, AD 329 – AD 379
  6. Gregory of Nazianzus, c. AD 330 – c. AD 390
  7. Julian, AD 331 – AD 363
  8. Jerome, c. AD 345 – c. AD 420
  9. Augustine of Hippo, AD 354 – AD 430
  10. Hypatia, c. AD 360 – AD 415

Constantine the Great and Valentinian I in bold, with some of their best-known contemporaries; dashed lines mark world events. Drag across, or use the arrow keys, to see the age each reached in any year. Faded ends mark uncertain dates.

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Events both lived through

Where Constantine the Great and Valentinian I were born

Constantine the Great and Valentinian I are labelled, with the contemporaries on the timeline. Each dot is a birthplace from Wikidata (10 of 10 placed); tap one to open that person.
Birthplaces as a list