Mar 25 Florence Cathedral, Cattedrale di Santa Maria del Fiore, consecrated by Pope Eugene IV, the largest dome in the world (then) by Filippo Brunelleschi with support from Cosimo de' Medici (begun 1296)
Jul 5 German emperor Sigismund signs peace with Hussieten
Jun 6 Regiomontanus [Johannes Müller von Königsberg], German mathematician and astronomer, prepares astronomical tables, born in Königsberg, Germany (d. 1476)
Nov 16 Leonardo Loredan, Venetian nobleman, statesman and Doge of Venice (1501-21), born in Venice (d. 1521)
Nov 26 Princess Catherine of Portugal, Portuguese princess of King Edward of Portugal and his wife Eleanor of Aragon and writer, born in Lisbon (d. 1463)
James I