1455 in England

Events from the year 1455 in England.

Incumbents

 * Monarch – Henry VI
 * Lord Chancellor – Thomas Bourchier
 * Lord Privy Seal – Thomas Lisieux

Events

 * May – The garrison of English Calais mutinies over pay arrears.
 * 22 May – Richard, Duke of York defeats the army of Henry VI at the First Battle of St Albans. Henry is captured, marking the beginning of the Wars of the Roses.
 * 23 October – Bonville–Courtenay feud in Devon: Thomas Courtenay, heir to the Earl of Devon, arranges the murder of lawyer Nicholas Radford.
 * 19 November – The Duke of York is reinstated as Lord Protector, acting as regent for the King.
 * November–December – Bonville–Courtenay feud leads to continued rioting and rebellion in Devon including sacking of Exeter.
 * 15 December – The first battle of Clyst Heath is fought as part of the Bonville–Courtenay feud
 * Unknown – Earliest known reference to knitting in England.
 * Unknown – The Importation Act is passed in order to protect the English silk industry

Births

 * Marquess of Dorset, nobleman and courtier (died 1501)
 * John Spencer, landowner (died 1522)

Deaths

 * John Scrope, 4th Baron Scrope of Masham, politician (born 1388)
 * Thomas de Strickland, soldier (born 1367)
 * At the First Battle of St Albans (22 May)
 * Henry Percy, 2nd Earl of Northumberland, politician (born 1393)
 * Edmund Beaufort, 2nd Duke of Somerset, commander (born 1406)
 * Humphrey Stafford, Earl of Stafford (born 1425)