January–March •
January 29 – King
Jogaila of the
Poland–
Lithuania Union answers the rumblings against his rule of Poland, by marrying
Anna of Celje, a granddaughter of
Casimir III of Poland. •
February 8 – The
Great Comet of 1402 is first observed by people living in the Northern Hemisphere of Earth. The comet, visible for eight days even in daylight, makes its closest approach to Earth on February 20. It is last seen on March 27. •
February 19 – Sigismund of Křižanov, Prokop of Luxemburg and King Wenceslas IV of Bohemia carry out an unsuccessful raid on the military garrison of Jihlava in an attack against the Kingdom of Croatia, led by
Sigismund of Luxembourg. The Bohemians are routed, and Wenceslas is captured. •
March 26 –
David Stewart, Duke of Rothesay, heir to the throne of
Scotland, dies while being held captive by his uncle,
Robert Stewart, 1st Duke of Albany.
April–June •
April 2 –
Jingnan campaign: In China, the Yan Army, led by Prince
Zhu Di reaches Suishui, west of
Huaibei, in what is now the
Anhui province. •
April 3 – King
Henry IV of England is
married by proxy to
Joan of Navarre in a ceremony at the
Eltham Palace near
London. •
April 29 –
Jingnan campaign: The Yan Army overwhelms the Imperial Army of Southern China at Linghi, capturing General
Ping An. •
June 14 –
Zhu Di, King of the Yan State at
Beijing, becomes the new Ming Dynasty Emperor of China at
Nanjing, uniting north and south China. The Welsh capture
Edmund Mortimer, son of the 3rd Earl, who defects to the Welsh cause, on 30 November marrying Owain's daughter Catrin. •
June 26 –
Battle of Casalecchio:
Gian Galeazzo Visconti, the Duke of
Milan, crushes the forces of
Bologna and
Florence. He dies from a fever less than three months later.
July–September •
July 17 – The
Ming dynasty prince Zhu Di of Yan is formally crowned as the
Emperor Cheng Zu of Ming at Nanjing, marking the end of the
Jingnan campaign. •
July 20 –
Battle of Ankara: An invading
Timurid Empire force defeats the
Ottoman Sultan
Bayezid I, who is captured. A
period of interregnum begins in the Ottoman Empire, with the future
Mehmed I as one of the leading claimants to the throne. After
Serbia is freed from Ottoman rule,
Stefan Lazarević is crowned Despot of
Serbia. •
August 1 –
Edward of Norwich becomes the second
Duke of York in England upon the death of his father,
Edmund of Langley. He will serve until his death in
1415 in the
Battle of Agincourt. •
August 15 –
King Enrique III of
Castile and
León (comprising most of
Spain) signs a peace treaty with his brother-in-law,
King João I of Portugal, ending fighting that began in 1396. The wives of the two kings,
Catherine of Lancaster and
Philippa of Lancaster respectively, are sisters. •
September 3 –
Gian Maria Visconti becomes the second
Duke of Milan upon the death of his father,
Gian Galeazzo Visconti. •
September 14 –
Battle of Homildon Hill: Northern English nobles, led by Sir
Henry Percy (Hotspur), and using
longbows, decisively defeat a Scottish raiding army and capture their leader, the
Earl of Douglas. •
September 30 – The new session of the English Parliament is opened by King Henry IV and lasts for almost two months.
October–December •
October 1 – The
House of Commons of England is opened at
Coventry by King Henry IV, whose Lord Chancellor asks the members to pass a tax to support an offensive war against Scotland, enemies of Wales, Ireland and for defending the Marches of Guienne and Calais.
Henry Redford is elected Speaker of the House. •
October 10 – A rare conference begins in England between the House of Commons and the House of Lords takes place with the permission of the King, and results in a 3-shilling tax on wine and a 14-pence tax on other merchandise. •
October 28 – The "
False Olaf", a
Bohemian immigrant who bore a resemblance to the late
King Olaf of Denmark and Norway and impersonated the late monarch earlier in the year, is
burned at the stake as punishment. •
November 5 – The
Republic of Genoa resumes control of
Monaco, deposing
Louis Grimaldi. Genoese control lasts for more than 16 years. •
November 21 –
Stefan Lazarević leads the
Serbian Despotate to victory over the Ottoman Governor
Durad Brankovic at the
Battle of Tripolje. •
November 23 – The Byzantine Emperor
Manuel II Palaiologos leaves
France after a stay of almost two years. •
November 25 – The fourth parliament of King Henry IV of England closes at
Westminster after two months and the passage of new laws, including the
penal Laws against Wales which stop the Welsh from
gathering together, obtaining office,
carrying arms and living in English towns. The laws apply to any Englishman who marries a Welsh woman. •
December 2 – (6 Jumada al-Awwal
805 A.H.) With 4,000 troops,
Tamerlane, Amir of the
Timurid Empire covering much of what is now Iraq, Iran and Afghanistan begins the
Siege of Smyrna (now Izmir in Turkey). Smyrna is captured after two days of attacks on its outer walls. After the Christian
Knights of Saint John, who are ruling
Smyrna, refuse to convert to Islam or pay tribute,
Timur has the entire Christian population massacred. The Knights subsequently begin building
Bodrum Castle in
Bodrum, to defend against future attacks. •
December 26 – (3rd waxing of
Tabodwe 764 ME)
Ava–Hanthawaddy War: In what is now
Myanmar, the forces of the
Ava Kingdom, led by King
Minkhaung I defeat King
Razadarit of the
Kingdom of Hanthawaddy in the Battle of Nawin, forcing Razadarit to abandon the siege of
Prome.
Date unknown • The
Malacca Sultanate is established at Melaka Darul Azim (modern-day Melaka Darul Azim, Malaysia). •
Conquest of the Canary Islands: King
Henry III of Castile sends French explorer
Jean de Béthencourt to colonize the
Canary Islands. Béthencourt receives the title King of the Canary Islands but recognizes Henry as his overlord. • The
Republic of Genoa regains control of
Monaco. • The
Aq Qoyunlu ("White Sheep Turkmen") tribal confederation, in modern-day northern
Iraq and
Iran, moves its capital from
Amida to
Diyarbakır. •
Moldavia becomes a vassal of the
Kingdom of Poland in order to protect itself from an invasion by
Hungary. •
Maria II Zaccaria succeeds her husband,
Pedro de San Superano, as regent of the
Principality of Achaea (modern-day southern
Greece). • Conchobar an Abaidh mac Maelsechlainn O Cellaigh succeeds Maelsechlainn mac William Buidhe O Cellaigh, as King of
Uí Maine in modern-day
County Galway and
County Roscommon in
Ireland. • The
University of Würzburg is founded. • The
Gangnido map of the world is completed in
Joseon dynasty Korea. • A
Great comet is sighted. • A big fire in the city of
Utrecht starts near the
Jacobikerk. == Births ==