January–March •
January 6 – In
Amberg,
Ruprecht III "the Righteous" of the
House of Wittelsbach becomes the new
Elector of the Palatinate within the
Holy Roman Empire upon the death of his father,
Ruprecht II "the Hard". •
January 31 – The 24th English Parliament of
King Richard II is dissolved after having met since September 17. The King gives royal assent to numerous laws, including the
Treason Act 1397, providing for new definitions of treason (compassing the death of the King, making war against the King within the realm, attempting to repeal any judgments made by parliament convicting "certain traitors", or attempting to repeal the Treason Act itself. •
January – The
Dao Ganmeng rebellion in the Chinese vassal state of
Möng Mao,started in December by Dao Genmeng, is brought to an end in what is now
Myanmar two months after
Dao Ganmeng's takeover. With the intervention of the Chinese Empire, led by the Ming dynasty
Emperor Zhu Yuanzhang, the deposed ruler
Si Lunfa is restored to leadership. •
February 20 – The vicar John de Aston of Colston Bassett is released from incarceration at
Fleet Prison in England by order of King Richard II upon the payment of
mainprise or bail. •
March 15 –
Trần Thuận Tông is forced to abdicate as ruler of the
Trần dynasty in modern-day
Vietnam, in favour of his three-year-old son
Trần Thiếu Đế. •
March 17 – The
Teutonic Knights resume their attack on
Lithuania as a fleet of 84 ships, 4,000 men and 400 horses departs from
Danzig toward
Gotland, and arrive on March 21. •
March 19 –
Abu Said Uthman III succeeds his older brother
Abdallah ibn Ahmad II as the ruler of the
Marinid dynasty in modern-day
Morocco, reigning until his death in
1420.
April–June •
April 5 – The Teutonic Knights conquer the island of
Gotland, near
Sweden, which has previously been run by the piratical
Victual Brothers. In the agreement of surrender, the city of
Visby and the entire island are ceded to Johan of Mecklenburg, and merchants from the Hanseatic League are allowed free trade. In addition, the Knights receive the opportunity to clear all known pirates and other enemies from Gotland. •
May 10 –
Stephen Ostoja is enthroned as the new
King of Bosnia after
Queen Helen is deposed. •
May 11 – The Treaty of Pavia is signed between the
Republic of Florence and the
Duchy of Milan to end the
Mantuan War after 14 months. •
May 22 – The Assembly of Paris begins, as Catholic clergy and bishops discuss whether withdraw obedience from the rival popes,
Boniface IX in Rome and the
antipope Benedict XIII at
Avignon withdrawing the right of either of the popes to bestow
benefices to officials in France in return for past or future services. •
June 25 –
Zhu Yunwen succeeds his grandfather,
Zhu Yuanzhang, as
Emperor Ming dynasty China, bringing an end to the Hongwu Era and beeginning the Jianwen era.
July–September •
July 14 – In what is now central
Turkey,
Kadi Burhan al-Din, the vizier of and regent for the
Sultanate of Eretnia, on a campaign to conquer the
Emirate of Erzincan (eastern Turkey and western Armenia) and capture its Emir
Mutahharten, is killed in battle by
Qara Yuluk Uthman Beg. •
July 22 – The first ships to complete passage on the long
Stecknitz Canal in Germany arrive at
Lübeck, with 30 barges carrying salt from
Lüneburg. The canal, completed after seven years between the rivers
Elbe and
Trave, is one of the earliest navigable
summit level canals in the world. •
July 27 – Following the consensus of the Assembly of Paris of that had begun meeting on May 11, King
Charles V of France signs an ordinance withdrawing obedience to both the French
Avignon pope Benedict XIII and to Rome's
Pope Boniface IX to issue
benefices to persons who offer services to the Catholic Church. An army led by
Geoffrey Boucicaut occupies
Avignon, and starts a five-year siege of the
papal palace. •
August 21 –
King Martin of Aragon, and ruler of Valencia, Majorca and Barcelona, begins the
Bona crusade of Christians against the Muslims of
Tunisia and departs from the island of
Menorca with 13 galleys, 77 warships and 7,500 crusaders toward the
Harsid Kingdom, ruled by the Caliph
Abu Faris Abd al-Aziz II. •
September 2 – The Bona crusaders from Spain sack the Algerian village of
Tedelis in the
Kingdom of Tlemcen, killing around 1,000 people, before abandoning the African crusade and returning to defend the siege of
Avignon at France. •
September 16 – King
Richard II of England exiles his cousin Henry Bolingbroke (the future
Henry IV of England) for 10 years, in order to end Henry's feud with
Thomas de Mowbray, 1st Duke of Norfolk, who is also exiled.
October–December •
October 12 – The
Treaty of Salynas is signed by
Vytautas,
Grand Duke of Lithuania, and Konrad von Jungingen,
Grand Master of the Teutonic Knights, in an attempt to cede
Samogitia to the Knights. •
October 14 – King
Taejo of Joseon abdicates the throne of the
Joseon dynasty in modern-day
Korea, following the murder of his heir Yi Bangsuk, during a coup by Yi's older half-brother,
Yi Bang-won, in The First Strife Of Princes. Taejo's eldest son
Jeongjong succeeds to the throne. •
November 11 –
Janus succeeds his father,
James I, as King of
Cyprus and claimant to the throne of
Armenian Cilicia. •
December 17 –
Timur defeats the last ruler of the
Delhi Sultanate, which has been weakened after four years of civil war. Following his victory, Timur's
Islamic troops sack the city of
Delhi, and proceed to massacre hundreds of thousands of the state's
Hindu inhabitants.
Date unknown • The
Kingdom of Singapura falls, after being invaded by the
Majapahit Empire. •
Bunei succeeds his father,
Satto, as King of
Chūzan (modern-day central
Okinawa,
Japan). •
Glendalough monastery in
Wicklow,
Ireland is destroyed by
English troops. •
Ferapontov Monastery is founded in modern-day northwest
Russia by
Therapont of Belozersk. • The
Munmyo Confucian shrine and
Sungkyunkwan University are founded in modern-day
Seoul. •
Mount Grace Priory is established in
Yorkshire,
England. • According to
fringe theorists, the
Scottish explorer
Henry I Sinclair, Earl of Orkney, reaches
North America. == Births ==