Who Was Alive

Were Diophantus and Constantine the Great alive at the same time?

Yes. Diophantus and Constantine the Great were alive at the same time, from c. AD 272 to c. AD 284.

Diophantus

Diophantus

Roman mathematician

Born c. AD 200 · died c. AD 284

Constantine the Great

Constantine the Great

Roman emperor

Born c. AD 272 · died 22 May AD 337

  1. Nagarjuna, c. AD 150 – c. AD 250
  2. Tertullian, c. AD 160 – c. AD 240
  3. Diophantus, c. AD 200 – c. AD 284
  4. Plotinus, AD 205 – AD 270
  5. Diocletian, 240s – AD 316
  6. Constantine the Great, c. AD 272 – AD 337
  7. Saint George, AD 275 – c. AD 303
  8. Basil of Caesarea, AD 329 – AD 379
  9. Gregory of Nazianzus, c. AD 330 – c. AD 390
  10. Julian, AD 331 – AD 363

Diophantus and Constantine the Great 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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Where Diophantus and Constantine the Great were born

Diophantus and Constantine the Great are labelled, with the contemporaries on the timeline. Each dot is a birthplace from Wikidata (9 of 10 placed); tap one to open that person.
Birthplaces as a list