what some believe to be the first description of a magnifying glass. Bacon also completes Opus Minus, a summary of Opus Majus, later in the same year. Howden Minster in Yorkshire becomes a collegiate church. 1268 The first Year Books (annual law reports) appear. Approximate date – Henry de Bracton dies leaving the first substantial work on English law, De Legibus et Consuetudinibus Angliae, incomplete. 1269 13 October – dedication of the newly rebuilt Westminster Abbey. Births 1260 Henry de Cobham, 1st Baron Cobham (died 1339) 1261 1 February – Walter de Stapledon, bishop (died 1326) 1262 Hugh le Despenser, 1st Earl of Winchester (died 1326) 1267 3 February – Richard FitzAlan, 8th Earl of Arundel (died 1302) Deaths 1260 c. 8 September – John Crakehall, Lord High Treasurer of England and Archdeacon of Bedford (year of birth unknown) 5 December – Aymer de Valence, Bishop of Winchester (born c. 1222) 1262 15 July – Richard de Clare, 5th Earl of Hertford, soldier (born 1222) 1263 Hamo de Crevecoeur, Lord Warden of the Cinque Ports (year of birth unknown) 1265 20 January – John Maunsell, Lord Chancellor (born 1190s) 25 April – Roger de Quincy, 2nd Earl of Winchester, politician (born 1195) 4 August – killed in the Battle of Evesham: Hugh le Despencer, 1st Baron le Despencer (born 1223) Henry de Montfort (born 1238) Peter de Montfort (born c. 1215) Simon de Montfort, 6th Earl of Leicester (born 1208) 1266 Hugh Bigod, Justiciar (born c. 1211) 1267 John FitzAlan, 6th Earl of Arundel (born 1223) 1268 Henry de Bracton, jurist (year of birth unknown) References