1392 ( ) was a MCCCXCII leap year starting on Monday (link will display full calendar) of the Julian calendar.
December 16 – Emperor Go-Kameyama of Japan abdicates in favor of rival claimant Go-Komatsu, in order to end the nanboku-cho period of conflict between the Northern and Southern imperial courts.
Goryeo Revolution 1388-1392: In present-day Korea, rebel leader General Yi Seonggye overthrows King Gongyang and crowns himself King Taejo, ending the Goryeo Dynasty and establishing the Joseon Dynasty. King Gongyang is exiled and later secretly murdered. King
Jogaila of Poland and Lithuania appoints his cousin Vytautas the Great as regent of Lithuania in return for Vytautas giving up his claim to the Lithuanian throne. Vytautas replaces Jogaila's unpopular brother Skirgaila as regent. King
Charles VI of France, later known as Charles the Mad, begins experiencing bouts of psychosis which will continue throughout his life. Muhammed VII succeeds Yusuf II as
Nasrid Sultan of Granada (now southern Spain).
Franciscan friar James of Jülich is boiled alive for impersonating a bishop and ordaining his own priests. Queen
Mary of Sicily defeats an army of rebel barons. William Le Scrop succeeds
William II de Montacute as King of the Isle of Man. Seoan mac Pilib succeeds Tomas mor mac Mathghamhna as King of
East Breifne in present-day north-central Ireland. The city of
Afyonkarahisar (now in western Turkey) is conquered by Sultan Beyazid I of the Ottoman Empire.
Louis de Valois is created the 1st Duke of Orléans, the second time this title was created.
Erfurt University is founded in Erfurt, central Germany.
Penistone Grammar School, which was one of the first comprehensive schools in England, is founded near Barnsley, England.