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
Monarch (locomotive) acquired more locomotives and "Monarch" became surplus to requirements and was sold to the Ffestiniog Railway. The Ffestinog Railway bought "Monarch" with the intention of overhauling and cutting down the size of the engine for use on the narrower (2 ft gauge) railway. The engine was dismantled for this purpose but then priorities changed and despite later thoughts of using it on the Welsh Highland Railway the loco was left in parts whilst it slowly rusted. The locomotive was then repurchased by the Welshpool and Llanfair Light Railway. "Monarch" was bought with no intention of being used on the railway,