saint (b. 1381) August 1 – Lorenzo Valla, Italian humanist August 19 – Andrea del Castagno, Italian painter (b. 1421) September 12 – Gabriele Sforza, Archbishop of Milan (b. 1423) September 14 – Countess Palatine Margaret of Mosbach, countess consort of Hanau (b. 1432) September 22 – Peter II, Duke of Brittany (b. 1418) November 3 – Ludwig II, Count of Württemberg-Urach, German noble (b. 1439) November 23 – King Ladislaus Posthumus of Bohemia and Hungary (b. 1440) December 24 – Danjong of Joseon, King of Joseon (b. 1441) date unknown Abul-Qasim Babur Mirza, ruler of Khurasan (b. 1422) Bartolomeu Perestrello, Portuguese navigator and explorer (b. 1395) References