Edmund Beaufort (died 1471) his elder brother Henry Beaufort, 3rd Duke of Somerset, Edmund is said to have succeeded as 4th Duke by Lancastrians in February 1471, but his brother's attainder was never reversed, and his titles remained forfeit. In a proclamation dated 27 April 1471 Edmund is spoken of as "Edmund Beaufort, calling himself duke of Somerset". In October 1470 Beaufort returned from France when King Edward IV was driven from the throne after the Earl of Warwick's defection and alliance with Queen Margaret and the restoration of King Henry VI, who was the first monarch ousted by the family feud, and whom
IEEE 1471 IEEE 1471 IEEE 1471 is a superseded IEEE Standard for describing the architecture of a "software-intensive system", also known as software architecture. In 2011 it was superseded by ISO/IEC/IEEE 42010:2011, "Systems and software engineering — Architecture description". IEEE 1471 is the short name for a standard formally known as ANSI/IEEE 1471-2000, "Recommended Practice for Architecture Description of Software-Intensive Systems." Within Institute of Electrical and Electronics Engineers (IEEE) parlance, this is a "recommended practice", the least normative of its standards. In 2007 this standard was adopted by ISO/IEC JTC1/SC7 as , "Systems and Software Engineering -- Recommended practice for architectural description