Richard III (2 October 1452 – 22 August 1485) was King of England and Lord of Ireland from 1483 until his death at the Battle of Bosworth Field. He was the last king of the House of York and the last of the Plantagenet dynasty. His defeat at Bosworth Field, the last decisive battle of the Wars of the Roses, marked the end of the Middle Ages in England. He is the protagonist of Richard III, one of William Shakespeare's history plays.