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
Records of Prime Ministers of the United Kingdom returning in that of 1950 more than four years later. Of parliamentary constituencies that have been represented, none have been represented by more than one serving Prime Minister. Four future Prime Ministers sat for Newport, Isle of Wight (constituency abolished 1832): Lord Palmerston and Sir Arthur Wellesley (later the Duke of Wellington) in 1807–09, George Canning in 1826–27 and William Lamb, later Lord Melbourne in April–May 1827. It is rare for veteran Prime Ministers sitting in the Commons to lose seats through electoral defeat at subsequent general elections. Those who have are: Five Prime Ministers through longest unbroken service became