Who Was Alive

Were Valerian and Diocletian alive at the same time?

Yes. Valerian and Diocletian were alive at the same time, from 240s to AD 260–269.

Valerian

Valerian

Roman emperor

Born AD 199–200 · died AD 260–269

Diocletian

Diocletian

Roman emperor

Born 240s · died 3 December AD 316

  1. Septimius Severus, AD 146 – AD 211
  2. Nagarjuna, c. AD 150 – c. AD 250
  3. Tertullian, c. AD 160 – c. AD 240
  4. Valerian, c. AD 199 – c. AD 265
  5. Plotinus, AD 205 – AD 270
  6. Aurelian, AD 214 – AD 275
  7. Diocletian, 240s – AD 316
  8. Constantine the Great, c. AD 272 – AD 337
  9. Saint George, AD 275 – c. AD 303
  10. Athanasius of Alexandria, AD 296 – AD 373

Valerian and Diocletian 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 Valerian and Diocletian were born

Valerian and Diocletian 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