1447

January–December

• March 6 - Pope Nicholas V succeeds Pope Eugene IV, to become the 208th pope.
• March 16 - A major fire destroys the centre of Valencia.
• July 15 - The Spanish Inquisition is revived.
• December
• *Vlad II Dracul, ruler of Wallachia, and his eldest son Mircea are assassinated. Vladislav II succeeds him, with the assistance of John Hunyadi.
• *The Albanian–Venetian War of 1447–48 begins.

  Date unknown

• Roman II seizes the throne of Moldavia after killing his uncle, Stephen II, and will have his other uncle, Petru as co-ruler.
• The Siege of Soest occurs, in the course of the Soest Feud.
• According to Ryū's own sources, Iizasa Ienao founds Tenshin Shōden Katori Shintō-ryū, the earliest historically verifiable Japanese koryū martial art, that is still extant in modern times.

  Births

• February 1 - Eberhard II, Duke of Württemberg
• February 4 - Lodovico Lazzarelli, Italian poet
• June 27 - Jean IV de Rieux, Breton noble and Marshal
• September 10 - Paolo da San Leocadio, Italian painter in Spain
• October 30 - Lucas Watzenrode, Prince-Bishop of Warmia
• December 3 - Bayezid II, Ottoman Sultan
• December 9 - Chenghua Emperor of China
• December 15 - Albert IV, Duke of Bavaria
• date unknown
• * Piero Capponi, Italian soldier and statesman
• * Philippe de Commines, Flemish historian
• * Catherine of Genoa, Catholic mystic
• probable
• * Giovanni Antonio Amadeo, Italian sculptor

  Deaths

• February 23
• * Pope Eugene IV
• * Humphrey, Duke of Gloucester
• March 13 - Shahrukh Mirza, ruler of Persia and Transoxonia
• April 11 - Henry Beaufort, Cardinal, Lord Chancellor of England
• August 5 - John Holland, 2nd Duke of Exeter
• August 13 - Filippo Maria Visconti, Duke of Milan
• November 17 - Euphemia of Münsterberg, German sovereign
• December - Vlad II Dracul, Prince of Wallachia, and his son Mircea II
• unknown
• * Stephen II of Moldavia