Major Events
- Jun 12 An insurrection delivers Paris to the Burgundians
- Aug 18 Competition announced to design the dome of Florence Cathedral, main competitors Lorenzo Ghiberti and Filippo Brunelleschi (supported by Cosimo de' Medici)
- Oct 16 Milan Cathedral's high altar consecrated by Pope Martin V
- Nov 2 Utrecht conquers Ijsselstein
Who Died in 1418
- Mar 22 Dietrich of Nieheim, German historian
- Jun 2 Katherine of Lancaster, wife of Henry III of Castile
- Jun 12 Bernard VII, Count of Armagnac, Constable of France (b. 1360)
- Sep 2 Jan III Chalon, prince of Orange, Governor of Burgundy, dies
Famous Weddings in 1418
- Mar 8 Jacqueline, Countess of Haintaut marries her cousin John IV Duke of Brabant in The Hague