Birth of John VIII Palaiologos, eldest son of Manuel II Palaiologos and Helena Dragas, the daughter of the Serbian prince Constantine Dragas
Historical person
John VIII Biography
Historical biography and chronological timeline for John VIII, based on 7 World History Database records associated with Roman Empire.
Chronological biography
1392
1422
Supervises the defense of Constantinople during a siege by Sultan Murad II
1423
Has to accept the loss of Thessalonika which his brother Andronikos has given to the Venetia
1425
Succeeds as Emperor of the Eastern Roman Empire
1439
To secure protection against the Ottomans, visit Pope Eugene IV and consents to the union of the Greek and Roman churches, which is ratified at the Council of Florence
To secure protection against the Ottomans, visit Pope Eugene IV and consents to the union of the Greek and Roman churches, which is ratified at the Council of Florence
1448
Death of John VIII Palaiologos
Titles and roles
Emperor
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.