Constantine the Great
Proclaimed emperor at York, he won at the Milvian Bridge, granted toleration to Christians and moved the capital to Constantinople.
| Lived | AD 272 – AD 337 |
| Known as | Roman emperor |
| Birthplace or main place | Istanbul |
| Places on the map | Istanbul, Trier, York |
IstanbulSee the world of Constantine the Great in the interactive map
Who ruled these places in his lifetime
| Place | At birth (map of AD 200) | At death (map of AD 300) |
|---|---|---|
| Istanbul | Roman Empire | Rome (Diocletianus) |
| Trier | Roman Empire | Rome (Constantinus) |
| York | Roman Empire | Rome (Constantinus) |
From the border maps nearest to each date; borders are approximate.
Events in his lifetime
| Year | Event | Where |
|---|---|---|
| AD 330 | Constantine I makes it his capital, the “New Rome” | Istanbul |
| AD 293 | Becomes the residence of Constantius I | Trier |
| AD 306 | Constantine is proclaimed emperor here | York |
Battles and sites of the time
- Battle of the Milvian Bridge · AD 312
Further reading
Contemporaries
| Lived | Person | |
|---|---|---|
| AD 303 – AD 361 | Wang Xizhi | Calligrapher |
| c. AD 320 – AD 360 | Ezana of Aksum | King of Aksum |
Last updated 9 November 2026. Sources: border data from historical-basemaps, land and rivers from Natural Earth; texts written for Chronica Maps from standard reference works. How we make the maps.