Records of Prime Ministers of the United Kingdom combined with his first term (13 July 176530 July 1766) his total time in office was 1 year and 113 days, which exceeds the total periods of several other Prime Ministers. (The Duke of Wellington had also served as Prime Minister between 1828 and 1830.) Consequently, the Prime Minister with the total shortest period in office was George Canning, whose sole term lasted 119 days from 12 April 1827 until his death on 8 August 1827. The Prime Minister with the longest period between the start of their first appointment and the end of their final term was the Duke
Acting prime minister Ministers in their own right. In Canada, the Deputy Prime Minister—a position that is not always in use—becomes acting head of government in the event that the Prime Minister is absent from Canada or incapacitated. Prior to the creation of this position, there was one notable and brief appointment made by a Canadian Prime Minister. In February 1958, Prime Minister John Diefenbaker appointed Ellen Fairclough as acting Prime Minister for two days while he was absent from Canada. The designated Acting Prime Minister takes the role of Prime Minister as Acting Prime Minister, for up to one hundred consecutive days,