Ruler · 274 – 337

Constantine the Great

Lived 274 – 337; politician, military personnel. Roman emperor of Ancient Rome, 306 – 337; also in the line of Roman Empire.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 274 – 337; 63 years
In office: 31 years; one reign
Lines: 2; states
Left it: died in office; Wikidata's manner of death

Roman emperor

Ancient Rome · the 823rd of 845 dated reigns · 753 BCE – 480

819 before

Galerius305 – 311

Maxentius306 – 312

Severus II306 – 307

Constantine the Great306 – 337

Licinius308 – 324

Maximinus Daza311 – 313

Valerius Valens316 – 317

19 after

killed, executed or dead in battledeposed, abdicated, exiled or removeddied in officeleft alive by a regular roadending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 306 – 337 · 31 years · came to it aged 34

Left it: died in officeWikidata's manner of death: natural causes

Also in the line of Roman Empire (63rd of 79).

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Wikidata Q8413 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.