Medal of the emperor during his visit to Florence, by Pisanello (1438). The legend reads, in Greek: "John, King and Emperor of the Romans, the Palaeologos"

John VIII (1390 – Constantinople October 31, 1448), surnamed Palaeologus (Greek: Ιωάννης Η' Παλαιολόγος), Byzantine Emperor, the oldest son of Manuel II (1391–1425), became sole emperor in 1425. He was married twice, first to Anna, daughter of Grand Duke Basil I of Moscow (1389–1425) in 1414, then to Sophia of Montferrat in 1421, when he was made co-Emperor with his father Manuel II. Neither marriage produced any children. Image File history File links Download high resolution version (654x654, 83 KB) Summary Medal of the Byzantine emperor John VIII Palaeologus, by Pisanello. ... Image File history File links Download high resolution version (654x654, 83 KB) Summary Medal of the Byzantine emperor John VIII Palaeologus, by Pisanello. ... Categories: 1911 Britannica | Stub | Italian painters | Gothic painting | 1380 births | 1456 deaths ... Events Births December 27 - Anne de Mortimer, claimant to the English throne (died 1411) Domenico da Piacenza, Italian dancemaster (died 1470) John Dunstable, English composer (died 1453) Engelbrekt Engelbrektsson, Swedish statesman and rebel leader (died 1436) Humphrey, Duke of Gloucester (died 1447) John VIII Palaeologus Byzantine Emperor (died 1448) Deaths... Map of Constantinople. ... October 31 is the 304th day of the year (305th in leap years) in the Gregorian Calendar, with 61 days remaining, as the final day of October. ... Events January 5/ 6 - Christopher of Bavaria, Norway and Sweden dies with no designated heir leaving all three kingdoms with vacant thrones. ... The Palaeologus (Gr. ... This is a list of Byzantine Emperors. ... The Byzantine Empire around year 1400. ... Events Foundation of the Katholieke Universiteit Leuven, Belgium Births John II, Duke of Lorraine (died 1470) Edmund Sutton, English nobleman (died 1483) Deaths January 18 - Edmund Mortimer, 5th Earl of March, English politician (born 1391) March 17 - Ashikaga Yoshikazu, Japanese shogun (born 1407) May 24 - Murdoch Stewart, 2nd Duke of... Vasiliy I Dmitriyevich (Василий I Дмитриевич in Russian) (1371 – February, 1425), Grand Prince of Moscow since 1389, oldest son of Dmitri Donskoi and Grand Princess Eudoxia - daughter of the Grand Prince Dmitry Konstantinovich of Nizhny Novgorod. ... Moscow (Russian: Москва́, Moskva, IPA: (help· info)) is the capital of Russia and the countrys principal political, economic, financial, educational and transportation center, located on the river Moskva. ... Montferrat was a marquisate in Lombardy during the Middle Ages. ... Events March 21 - Battle of Beaugé. A small French force surprises and defeats an English force under Thomas, Duke of Clarence, a brother of Henry V of England, in Normandy. ...

In June 1422 he withstood a siege by Sultan Murad II (1421–51) but had to accept the loss of Thessaloniki to the Ottoman Turks in 1430. To secure protection against the Ottomans, he visited the Pope Eugene IV (1431–47) and consented to the union of the Greek and Roman churches, which was ratified at the Council of Florence in 1439. He was accompanied by George Gemistos Plethon, a Neoplatonist philosopher who was very influential among the academics of Italy and influenced the western European Renaissance, which was just beginning. The proposed church union failed due to opposition by his own people, who refused to submit to the Pope, but by his prudent conduct towards the Ottoman Empire he succeeded in holding possession of Constantinople, . Events August 31 - Henry VI becomes King of England. ... Murad II Murad II (1404 – February 3, 1451) (Arabic: مراد الثاني) was the sultan of the Ottoman Empire from 1421 to 1451 (except for a period from 1444 to 1446). ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The Ottoman Turks were the ethnic subdivision of the Turkish people who dominated the ruling class of the Ottoman Empire. ... // Events May 23 - Joan of Arc is captured by the Burgundians while leading an army to relieve Compiègne The Ottoman Empire captures Thessalonica from the Venetians First use of optical methods in the creation of Art A map of Europe in 1430. ... Eugenius IV, né Gabriel Condulmer (1383 - February 23, 1447) was pope from March 3, 1431 to his death. ... The Roman Catholic Church, most often spoken of simply as the Catholic Church, is the largest Christian church, with over one billion members. ... A decree of the Council of Constance (9 October 1417), sanctioned by Pope Martin V obliged the papacy to summon general councils periodically. ... Georgius Gemistos ,or Plethon (or Pletho), (c. ... Neoplatonism (also Neo-Platonism) is a school of philosophy that took shape in the 3rd century A.D. Based on the teachings of Plato and the Platonists, it contained enough unique interpretations of Plato that some view Neoplatonism as substantively different from what Plato wrote and believed. ... In the traditional view, the Renaissance is understood as an historical age that was preceded by the Middle Ages and followed by the Reformation. ... This is the current Article Improvement Drive collaboration! CAST YOUR VOTE for next weeks article For the thrash metal band, see The Ottoman Empire. ... Map of Constantinople. ...

He nominated his brother Constantine XI (1448–53) as his successor. Despite the machinations of their younger brothers Demetrius and Thomas, their mother Helena Dragas was able to secure Constantine XI's succession. Emperor Constantine XI, the last Emperor of the Eastern Roman Empire, who reigned from 1448 to 1453 . Constantine XI Paleologus, also known as Constantine XI Dragases Paleologus (Gr. ...

The Byzantine Empire around year 1400. ... This is a list of the Emperors of the late Eastern Roman Empire, called Byzantine. ... The Byzantine Empire around year 1400. ... Emperor Constantine XI, the last Emperor of the Eastern Roman Empire, who reigned from 1448 to 1453 . Constantine XI Paleologus, also known as Constantine XI Dragases Paleologus (Gr. ...

References

• This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.