1391

Events 
 July 18 – Tokhtamysh-Timur War: Battle of the Kondurcha River – Timur defeats Tokhtamysh of the Golden Horde in present-day southeast Russia.
 Manuel II Palaiologos becomes Byzantine Emperor after his father, John V Palaiologos, dies of a nervous breakdown due to his continued humiliation by the Ottoman Empire.
 Yusuf II  succeeds Muhammed V as Nasrid Sultan of Granada (now southern Spain).
 Stjepan Dabiša succeeds his uncle, Stefan Tvrtko I, as King of Bosnia.
 Shah Mansur becomes leader of the Timurid occupied Muzaffarid Empire in central Persia.
 A group of Muzaffarids under Zafar Khan Muzaffar establish a new Sultanate at Gujarat in western India.
 August 5 – Anti-Jewish riots erupt in Toledo, Spain and Barcelona. Many Jews leave Barcelona after the following massacres, though a large number remain in the city.
 Vytautas the Great, claimant to the thrown of Lithuania, forms an alliance with Muscovy.
 Roman I succeeds Petru I as Prince of Moldavia (now Moldova and eastern Romania).
 Konrad von Wallenrode succeeds Konrad Zöllner von Rotenstein as Grand Master of the Teutonic Knights.
 Bridget of Sweden is canonized by Pope Boniface IX.
 Ushkuinik pirates from Novgorod sack the Muscovy towns of Zhukotin and Kazan.
 The Chinese invent toilet paper for use by their Emperors.
 Henry I Sinclair, Earl of Orkney, takes control of the Shetland Islands and the Faroe Islands.
 University of Ferrara is founded in present-day Italy.

 Births 
 October 31 – King Edward of Portugal (†1438)
 November 6 – Edmund Mortimer, 5th Earl of March, English politician (died 1425)
 Gedun Drub, 1st Dalai Lama (died 1474)
 Michelozzo, Italian architect and sculptor (died 1472)
 Zhu Quan, Chinese military commander, historian and playwright (died 1448)
 Thomas West, 2nd Baron West (died 1415)

 Deaths 
 February 16 – John V Palaeologus, Byzantine Emperor (born 1332)
 Muhammed V, Sultan of Granada
 King Stefan Tvrtko I of Bosnia.
 November 1 – Amadeus VII of Savoy (born 1360)
 Nicholas Cabasilas, Byzantine mystic and theological writer