|Ab urbe condita||2144|
|Balinese saka calendar||1312–1313|
|English Regnal year||14 Ric. 2 – 15 Ric. 2|
|Chinese calendar||庚午年 (Metal Horse)|
4088 or 3881
— to —
辛未年 (Metal Goat)
4089 or 3882
|- Vikram Samvat||1447–1448|
|- Shaka Samvat||1312–1313|
|- Kali Yuga||4491–4492|
|Japanese calendar||Meitoku 2|
|Minguo calendar||521 before ROC|
|Thai solar calendar||1933–1934|
1517 or 1136 or 364
— to —
1518 or 1137 or 365
- June 6 – Massacre of 1391: Anti-Jewish pogroms erupt in Seville, Spain. Many thousands of Jews are massacred, and the violence spreads throughout Spain and Portugal, especially to Toledo, Barcelona and Mallorca. This event marks a turning-point in the history of the Spanish Jews, with most of the survivors leaving the Iberian Peninsula or being forced to convert.
- July 18 – Tokhtamysh–Timur war – Battle of the Kondurcha River: Timur defeats Tokhtamysh of the Golden Horde, in present day southeast Russia.
Date unknown edit
- 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).
- Stephen Dabiša succeeds Stephen 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.
- Vytautas the Great, claimant to the throne of Lithuania, forms an alliance with Muscovy.
- Roman I succeeds Petru, as Prince of Moldavia (now Moldova and northeastern 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.
- The University of Ferrara is founded on the Italian Peninsula.
- The Ming government orders 50 million trees planted in the Nanjing area.
- January 16 – Emir Muhammed V of Granada (b. 1338)
- February 16 – John V Palaiologos, Byzantine emperor (b. 1332)
- March 10 – King Tvrtko I of Bosnia (b. 1338)
- November 1 – Amadeus VII, Count of Savoy (b. 1360)
- Gaston III, Count of Foix, co-prince of Andorra
- date unknown
- Freund, Scarlett; Ruiz (1994). "Jews, Conversos, and the Inquisition in Spain, 1391–1492: The Ambiguities of History". In Perry, Marvin; Schweitzer, Frederick M. (eds.). Jewish-Christian Encounters Over the Centuries: Symbiosis, Prejudice, Holocaust, Dialogue. P. Lang. pp. 169–195. ISBN 978-0-8204-2082-0.
- Tucker, Spencer C. (December 23, 2009). A Global Chronology of Conflict: From the Ancient World to the Modern Middle East [6 volumes]: From the Ancient World to the Modern Middle East. ABC-CLIO. p. 428. ISBN 978-1-85109-672-5.
- Barker, John W. (1969). Manuel II Palaeologus (1391-1425); a study in late Byzantine statesmanship. New Brunswick, N.J.: Rutgers University Press. pp. xxiv. ISBN 0-8135-0582-8. OCLC 11370.
- Grendler, Paul F. (September 29, 2004). The Universities of the Italian Renaissance. JHU Press. p. 99. ISBN 978-0-8018-8055-1.