February 17, 1405
Precision: day · Rank: normal
Original calendar: Julian. Displayed date is Gregorian.
- Source: Great Norwegian Encyclopedia
A date. A name. A source.
THE DATE BEHIND THE NAME
last Byzantine emperor, from 1449 to 1453
Konstantinos XI Palaiologos has incompatible recorded birth dates. The main Wikidata statement lists February 17, 1404 in Constantinople, Turkey.
February 17, 1404
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: June 7, 1453
Source:
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. Displayed date is Gregorian.
Sources disagree: February 17, 1404 (Encyclopædia Britannica Online) or February 17, 1405 (Great Norwegian Encyclopedia).
The main date retains its own sources. These alternatives overlap neither all other statements nor the main date. Rank is Wikidata editorial priority, not proof.
Precision: day · Rank: normal
Original calendar: Julian. Displayed date is Gregorian.
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Konstantinos XI Palaiologos was born in Constantinople, Turkey.
Konstantinos XI Palaiologos died on June 7, 1453.