Margaret of Anjou Margaret of Anjou Margaret of Anjou (; 23 March 1430 – 25 August 1482) was the Queen of England by marriage to King Henry VI from 1445 to 1461 and again from 1470 to 1471. Born in the Duchy of Lorraine into the House of Valois-Anjou, Margaret was the second eldest daughter of René, King of Naples, and Isabella, Duchess of Lorraine. She was one of the principal figures in the series of dynastic civil wars known as the Wars of the Roses and at times personally led the Lancastrian faction. Owing to her husband's frequent bouts of insanity, Margaret
IEEE 1471 Standards Board approved the specification as IEEE Std 1471-2000. In 2006, ISO/IEC Joint Technical Committee 1 (JTC1), Information technology/Subcommittee SC 7, Software and systems engineering, adopted the specification as ISO/IEC 42010, under a special "fast-track procedure", in parallel with its approval by national bodies of ISO and IEC. A coordinated revision of this standard by ISO/IEC JTC1/SC7/WG42 and IEEE CS commenced in 2006, following the successful ISO/IEC fast-track ballot and in line with the IEEE standard 5-year review of the standard. In November 2011, IEEE 1471-2000 and ISO/IEC 42010:2007 was superseded by ISO/IEC/IEEE 42010:2011, "Systems and software engineering — Architecture