Regnal years of English monarchs Britain), from 1066 to the present day. These are official "de jure" dates, and may or may not coincide with whether a particular king had "de facto" power or not at that time. For example, as the Commonwealth era was suppressed in the official record, the regnal years of Charles II are measured from 30 January 1649 (the day his father Charles I was executed); as a result, when Charles II actually became king, on 29 May 1660, he was already in his 12th regnal year. (For the "de facto" tabulation of English rulers, see any conventional list of English
English Revolution of significant social change contained within the period, but also ignores the long-term trends of the early modern period which extend beyond this narrow time-frame. English Revolution "English Revolution" has been used to describe two different events in English history. The first to be so called—by Whig historians—was the Glorious Revolution of 1688, whereby James II was replaced by William III and Mary II as monarch and a constitutional monarchy was established. In the twentieth century, however, Marxist historians introduced the use of the term "English Revolution" to describe the period of the English Civil Wars and Commonwealth period (1640–1660),