Died in 1457

Mar 14 Jingtai Emperor Emperor of China from 1449 to 1457. The second son of the Xuande Emperor, he was selected in 1449 to succeed his older brother, the Zhengtong Emperor, when the latter was captured by Mongols following the Tumu Crisis. He reigned for 8 years before being removed from the throne by his brother, who was restored as the Tianshun Emperor. The Jingtai Emperor's era name means "Exalted View"
Mar 16 Ladislaus Hunyadi a Hungarian statesman.
May 22 Rita of Cascia an Italian Augustinian nun, widow and saint venerated in the Roman Catholic Church. Rita was married at an early age. The marriage lasted for 18 years, during which she is remembered for her Christian values as a model wife and mother who made efforts to convert her husband from his abusive behavior. Upon the murder of her husband by another feuding family, she sought to dissuade her sons from revenge before their calamitous death
Jul 19 Goharshad a wife of Shāh Rukh, the Emperor of the Timurid Empire of Herāt. She was the daughter of Giāth ud-Din Tarkhān, an important and influential noble during Tīmur's reign. According to family traditions, the title Tarkhān was given to the family by Genghis Khan personally
Aug 1 Lorenzo Valla an Italian humanist, rhetorician, and educator. He is best known for his textual analysis that proved that the Donation of Constantine was a forgery
Aug 19 Andrea del Castagno an Italian painter from Florence, influenced chiefly by Tommaso Masaccio and Giotto di Bondone. His works include frescoes in Sant'Apollonia in Florence and the painted equestrian monument of Niccolò da Tolentino in the Cathedral in Florence. He in turn influenced the Ferrarese school of Cosmè Tura, Francesco del Cossa and Ercole de' Roberti
Sep 22 Peter II Duke of Brittany Duke of Brittany, Count of Montfort and titular earl of Richmond, from 1450 to his death. He was son of Duke John VI and Joan of France, and thus was younger brother of Francis I
Nov 1 Francesco Foscari doge of Venice from 1423 to 1457, at the inception of the Italian Renaissance.
Nov 23 Ladislaus the Posthumous Duke of Austria from 1440, King of Hungary from 1444 and King of Bohemia from 1453.