Battle of Bryn Glas: Glyndŵr's Welsh army defeat the English on the England/Wales border;[1]Edmund Mortimer, son of the 3rd Earl, is taken and defects to the Welsh cause.
September – The English Parliament passes
penal Laws against Wales which stop the Welsh from
gathering together, obtaining office,
carrying arms and living in English towns. Any Englishman who marries a Welsh woman also comes under the laws.
21 July –
Battle of Shrewsbury: Henry IV defeats a rebel army led by "Hotspur" Percy who has allied with the Welsh prince
Owain Glyndŵr.[2] Percy is killed in the battle by an arrow in his face.
August – William du Chastel leads a French raid on
Plymouth which causes substantial damage.
8 June – following the collapse of their revolt, Richard Scrope together with
Thomas de Mowbray, 4th Earl of Norfolk, and Scrope's nephew, Sir William Plumpton, are tried by a special commission and beheaded at York.[1] Scrope is the first English prelate to suffer judicial execution.
August – Welsh rebels, assisted by the French, unsuccessfully attack
Worcester.[2]
1 March – Parliament meets, and continues to sit until December, when it finally achieves its aims of nominating and ensuring the payment of members of the Royal Council.[1]
30 March – the heir to the Scottish throne, Prince James, having been captured by English pirates on 22 March, is detained in England.[6] On 4 April he becomes King
James I of Scotland on the death of his father but remains detained in England for 18 years.