Year 1439 (MCDXXXIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.
May 4 – Battle of Grotnik: The Hussite movement is defeated in Poland.
June 29 – Supposed date of Venerable Macarius' Miracle of the Moose, according to Russian hagiographers.
September 8 – Cardinal Giovanni Vitelleschi captures Foligno, ending Trinci's signoria.
September 29 or October 1 – Eric of Pomerania, King of Sweden, Denmark and Norway is declared deposed in Sweden. Karl Knutsson Bonde continues to serve as Regent of Sweden.
November 12 – In England, Plymouth becomes the first town incorporated by the English Parliament.
Johannes Gutenberg develops printing with movable type at Mainz at about this date.
The Great Ordinance is adopted by the French Estates-General. This measure grants the king the exclusive right to raise troops, and establishes the taxation measure known as the taille in support of a standing army.
Council of Florence is moved to Florence.
At the Portuguese Cortes, Peter, Duke of Coimbra is appointed Regent of the Kingdom.
March 3 – Ashikaga Yoshimi, brother of Shogun Ashikaga Yoshimasa (d. 1491)
April 3 – Ludwig II, Count of Württemberg-Urach, German noble (d. 1457)
May 29 – Pope Pius III (d. 1503)
July 18 – John V, Duke of Saxe-Lauenburg, German duke (d. 1507)
July 26 – Sigismund, Duke of Bavaria, member of the Wittelsbach dynasty (d. 1501)
August 10 – Anne of York, Duchess of Exeter, Duchess of York, second child of Richard Plantagenet (d. 1476)
date unknown – Hua Sui, Chinese inventor and printer (d. 1513)
April 30 – Richard de Beauchamp, 13th Earl of Warwick, English military leader (b.1382)
May 5 – Spytek z Melsztyna, Polish nobleman (in battle; b. 1398)
June 24 – Duke Frederick IV of Austria (b. 1382)
October 20 – Ambrose the Camaldulian, Italian theologian
October 27 – Albert II of Germany, Holy Roman Emperor (b. 1397)
December 31 – Margaret Holland, English noblewoman (b. 1385)
1439 Wikipedia (Text) CC BY-SA