Edward VI of England half-sister Mary would jeopardise the English Reformation, and Edward's Council and officers had many reasons to fear it. Edward himself opposed Mary's succession, not only on religious grounds but also on those of legitimacy and male inheritance, which also applied to Elizabeth. He composed a draft document, headed "My devise for the succession", in which he undertook to change the succession, most probably inspired by his father Henry VIII's precedent. He passed over the claims of his half-sisters and, at last, settled the Crown on his first cousin once removed, the 16-year-old Lady Jane Grey, who on 25 May 1553
Coronation of the British monarch since and including George IV, at least one year has passed between accession and coronation, with the exception of George VI, whose predecessor did not die but abdicated. The coronation date had already been set; planning simply continued with a new monarch. Since a period of time has often passed between accession and coronation, some monarchs were never crowned. Edward V and Lady Jane Grey were both deposed before they could be crowned, in 1483 and 1553, respectively. Edward VIII also went uncrowned, as he abdicated in 1936 before the end of the customary one-year period between accession and coronation.