John VIII Palaiologos was the penultimate Roman emperor to rule in Constantinople. Ruling from 1425 to 1448, he attempted to bring about the reunification of the Orthodox and Catholic churches and prioritised the protection of Constantinople against the Ottoman Empire. He was succeeded by his brother, Constantine XI, who would become the final emperor.
- Occupation
- monarch
- Position held
- Byzantine emperor
- Citizenship
- Byzantine Empire
- Born
- December 18, 1392
- Died
- October 31, 1448