1400

Events

• Henry IV quells baron rebellion and executes The Earls of Kent, Huntingdon and Salisbury for their attempt to have Richard II of England restored as King

• Jean Froissart writes the "Chronicles"
• Medici family becomes powerful in Florence, Italy

Births

• Owen Tudor, seventh generation descedant of Rhys ap Gruffydd (approximate date).
• Gilles Binchois, Burgundian composer (approximate date)
• Guillaume Dufay, Burgundian composer (approximate date)
• Jean Brassart , composer from area around Liège (approximate date)

Deaths

• January 5 - John Montacute, 3rd Earl of Salisbury (executed).
• January 7 - Thomas Holland, 1st Duke of Surrey and 3rd Earl of Kent (executed).
• January 16 - John Holland, 1st Duke of Exeter and Earl of Huntingdon (executed).
• February 14 - King Richard II of England (murdered).
• April 28 - Baldus de Ubaldis, Italian jurist
• October 25 - Geoffrey Chaucer, English poet (b. circa 1343)