|Covid-19|January 11 – Sweden's first Riksdag of the Estates is summoned under rebel leader Engelbrekt Engelbrektsson, who is elected rikshövitsman (military commander of the realm) in the absence of a king on January 13.
February 2 – The Kingdom of Naples passes to Aragon under René of Anjou.
August 5 – Battle of Ponza Alfonso V of Aragon captured at Genuezen
September 1 – Battle of Pabaiskas ends a civil war between Grand Dukes Švitrigaila and Sigismund Kęstutaitis in the Grand Duchy of Lithuania
September 21 – The Treaty of Arras between Charles VII of France and Philip III of Burgundy ends the English-Burgundian alliance.
October 14 – Eric of Pomerania is reinstated as king of Sweden, however only briefly, since he is once again deposed in January the following year.
Francis of Paola founds the Order of the Minims in Italy.
China returns to a policy of isolation.
Gil Eanes and Afonso Gonçalves Baldaia explore the coast of Africa as far as the Angra dos Ruivos.
February 1 – Amadeus IX, Duke of Savoy (d. 1472)
April 8 – John Clifford, 9th Baron de Clifford, English noble (d. 1461)
April 16 – Jan II the Mad, Duke of Żagań (1439–1449 and 1461–1468 and again in 1472) (d. 1504)
May 4 – Joan of France, Duchess of Bourbon, French princess (d. 1482)
October 24 – Andrea della Robbia, Italian artist (d. 1525)
Jean Molinet, French poet and chronicler (d. 1507)
Kim Si-seup, Korean scholar and author (d. 1493)
Sophie of Pomerania, Duchess of Pomerania (d. 1497)
Thomas Stanley, 1st Earl of Derby (d. 1504)
Johannes Tinctoris, Flemish music theorist and composer (approximate date; d. 1511)
Andrea del Verrocchio, Florentine sculptor (approximate date; d. 1488)
January 31 – Xuande Emperor of China (b. 1398)
February 2 – Joan II of Naples, Queen of Naples (b. 1371)
March 27 – Spytek z Tarnowa i Jarosławia, Polish nobleman
June 12 – John FitzAlan, 14th Earl of Arundel, English military leader (b. 1408)
September 9 – Sir Robert Harling, knight under the Duke of Bedford
September 14 – John of Lancaster, 1st Duke of Bedford, regent of England (b. 1389)
September 24 – Isabeau of Bavaria, queen of Charles VI of France
September 27 – Savvatiy, monastery founder
October 9 – Paweł Włodkowic, Polish scholar (b. 1370)
October 13 – Hermann II of Celje, Ban of Croatia
December 30 – Bonne of Berry, Regent of Savoy (b. 1362)
Year 1435 (MCDXXXV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar.