Feb 16 In the year 1391 johannes V Palaeologus, Emperor of Byzantium (1341-91), dies
Mar 10 Tvrtko I first king of Bosnia (b. 1338) died in the year 1391.
Nov 01 In the year 1391 death of amadeus VII of Savoy (b. 1360)
Nov 14 In the year 1391 death of nikola Tavelić, First Croatian saint (b. 1340)