21 March–2 May - Hundred Years' War: Siege of Meaux: Meaux surrenders to the English.
31 August - Henry VI becomes King of England aged nine months, following the death of his father Henry V. His uncle Humphrey, Duke of Gloucester, acts as his regent in England.
21 October - Henry VI is proclaimed King of France in Paris following the death of Charles VI under the terms of the Treaty of Troyes. His uncle John of Lancaster, 1st Duke of Bedford, acts as his regent in France.
3 November - Thomas Montacute, 4th Earl of Salisbury, military leader (mortally wounded at the Siege of Orleans, the first prominent English victim of ordnance) (born 1388)