History of the English penny (1154–1485) mustered more support and after two battles at Barnet and Tewkesbury Edward was back on the throne in April 1471 where he stayed until his death in 1483. Henry was returned to the Tower, where he was murdered the same night. Despite the upheavals of the time, Henry VI's administration maintained an adequate supply of coinage throughout the first reign. There were several different issues of pennies distinguished by different features such as rosettes or pinecones appearing in the legend, or a leaf appearing on the king's breast, etc. The normal inscription was . Pennies were minted at London, Calais,
IEEE 1471 of software-intensive systems". It has long been recognized that "architecture" has a strong influence over the life cycle of a system. However, until relatively recently, hardware issues have tended to dominate architectural thinking, and software aspects, when considered at all, were often the first to be compromised under the pressures of development. IEEE 1471 was created to provide a basis for thinking about the architecture of software-intensive systems. IEEE 1471's contributions can be summarised as follows (in this list, items in "italics" are terms defined by and used in the standard): IEEE 1471 provides informative annexes that relate its concepts