January 20– A treaty halts the first of the Florentine–Milanese Wars after the Republic of Florence has liberated Padua from control by the Duchy of Milan. The treaty confirms the boundaries of Florence and Milan as they existed before the war, with the exception of Padua's new independence.
May 29– After the Fleet Street riot in London, King Richard II of England summons Lord Mayor of London, John Hende, along with the London sheriff and deputies, and aldermen to appear before him at Nottingham Castle on June 25 for a hearing on unspecified charges.
June 25– At a hearing at Nottingham Council concerning the Fleet Street riot, King Richard II of England orders that London's Mayor Hende is to be arrested, removed from office and imprisoned.
July 22– After a second hearing at Nottingham Council concerning the Fleet Street riot, former London Mayor John Hende and other imprisoned city officials are assessed a fine and released from prison after posting bond to secure their return for future charges.
August 4– 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") first displays symptoms of psychosis while crossing through the forests of Le Mans, attacking his own soldiers with his sword while under the delusion that they are enemy troops from the Duchy of Brittany. Charles' madness enables Philip II, Duke of Burgundy, to strengthen his power in the French court.
September 7–Yi Pangsŏk, at 10 years old the youngest son of King Taejo of Korea, is designated as the heir to the throne.
October 15– (28th year of 9th month of Meitoku 3) The division of Japan between the Southern Court (with a capital at Yoshino) and the Northern Court) (with a capital at Heian-kyō, now Kyoto) ends as the southern Emperor Go-Kameyama agrees to recognize northern Emperor Go-Komatsu as the ruler of the entire nation.
November 19– (5th day of the leap month of Meitoku 3) 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.
November 23– King Richard II of England summons the English Parliament to assemble at Winchester on January 20.
December 10– The Parliament of France condemns the kingdom's Constable, Olivier V de Clisson, for having illegally enriched himself at the expense of King Charles VI.
Date unknown
Franciscan friar James of Jülich is boiled alive, for impersonating a bishop and ordaining his own priests.
↑"Archeological Excavations: "Skopsko Kale"". skopskokale.com.mk. Archived from the original on 7 February 2011. Retrieved 2011-02-07. The handwriting of the triod of the Khludov collection in the Moscow Historical Museum no. 162, completed on 6 January 1392, on the day of the Ottoman conquest of Skopje.
↑Caferro, William (2006). John Hawkwood: An English Mercenary in Fourteenth-Century Italy. Baltimore: The Johns Hopkins University Press. p.308. ISBN0-8018-8323-7.
↑Raimondo Carta Raspi, Storia della Sardegna (Milan: Mursia, 1981)
↑Barker, John W. (1969). Manuel II Palaeologus (1391-1425): A Study in Late Byzantine Statesmanship. Rutgers University Press. p.xxiv.
↑Mario Philippides, Constantine XI Dragaš Palaeologus (1404–1453): The Last Emperor of Byzantium (Taylor & Francis, 2018) p.36.
↑Alessandra Cioppi, Battaglie e protagonisti della Sardegna medioevale (Cagliari: AM-D, 2008)
↑Bueno de Mesquita, D. M. (1941). Giangaleazzo Visconti, Duke of Milan (1351–1402): A Study in the Political Career of an Italian Despot. Cambridge University Press. p.144.
↑Kohl, Benjamin G. (1998). Padua under the Carrara, 1318–1405. Baltimore: Johns Hopkins University Press. p.303. ISBN0-8018-5703-1.
↑Ryder, Alan (2016). "The Angevin bid for Naples, 1380–1480". In Abulafia, David (ed.). The French Descent into Renaissance Italy, 1494–95: Antecedents and Effects. Routledge. p.56. ISBN9780860785507.