1434

Events 
 April 14, The foundation stone of Cathedral St. Peter and St. Paul in Nantes, France was laid.
 May 30, Battle of Lipany in the Hussite Wars
 Jan van Eyck paints the wedding of Giovanni Arnolfini
 Explorer Gil Eanes reaches Cape Bojador in Western Sahara.  In the same year, Portuguese traders deliver their first cargo of African slaves to Lisbon.
 Zara Yaqob becomes Emperor of Ethiopia

 Births 
 March 19 – Ashikaga Yoshikatsu, Japanese shogun (died 1443)
 September 23 – Yolande of Valois, Duchess of Savoy (died 1478)
 probable
 Matteo Maria Boiardo, Italian poet (approximate date; died 1494)
 Kano Masanobu, Japanese painter (died 1530)

 Deaths 
 30 May
 Prokop the Great, Hussite general (b. 1380)
 Yuri IV, Russian grand prince (b. 1374)
 June 11 – King Wladislaus II of Poland
 June 19 – Alexandra of Lithuania, Duchess of Masovia
 November 12 – King Louis III of Naples (b. 1403)
 date unknown
 John I, Duke of Bourbon (b. 1381)
 Amda Iyasus, Emperor of Ethiopia