Events of 1402

• June 22 - Battle of Bryn Glas: The Welsh rebels defeat the English on the England/Wales border.
• June 26 - Battle of Casalecchio: Gian Galeazzo Visconti, the Duke of Milan, crushes the forces of Bologna and Florence, but he dies from a fever later this year and is succeeded by his son Gian Maria Visconti.
• July 12 - The rebel army of Zhu Di occupies the Ming Dynasty China capital Fengtian. Emperor Jianwen is either lost or killed and Zhu Di is crowned as Emperor Hongwu.
• July 20 - Battle of Ankara: An invading Timurid Dynasty 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.
• September 14 - Battle of Homildon Hill: Northern English nobles led by Sir Henry "Hotspur" Percy defeat a Scottish raiding army under the Earl of Douglas.
• After Serbia is freed from Ottoman rule, Stefan Lazarević is crowned as Despot of Serbia.
• After the Christian Knights of Saint John, who are ruling Smyrna, refuse to convert to Islam or pay tribute, Timur has the entire population massacred.
  • The Knights of Saint John subsequently begin building Bodrum Castle in Bodrum to defend against future attacks.
• 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.
• 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 King Henry III as his overlord. This marked the beginning of the Spanish Empire.
• The Genoese regain control of Monaco.
• 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.
• Maria II Zaccaria succeeds Peter of Saint Superan as ruler of the Principality of Achaea (now southern Greece).
• Moldavia becomes a vassal of Poland in order to protect itself from an invasion by Hungary.
• After the death of Queen Mary of Sicily, her husband Martin I of Sicily becomes sole ruler.
• The Kangnido map of the world is completed in Joseon Dynasty Korea.
• Conchobar an Abaidh mac Maelsechlainn O Cellaigh succeeds Maelsechlainn mac William Buidhe O Cellaigh as King of Hy-Many in present day County Galway and County Roscommon in Ireland.
• The University of Würzburg, Germany is founded.
• The White Sheep Turkmen Empire, in present-day northern Iraq and Iran, moves its capital from Amida to Diyarbakır.
• The Great Comet of 1402 is sighted.

Births