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
Prime Minister of the United Kingdom for example, the powers of government were divided equally between the Duke of Newcastle and William Pitt, 1st Earl of Chatham, leading to them both alternatively being described as Prime Minister. Furthermore, many thought that the title "Prime Minister" usurped the Sovereign's constitutional position as "head of the government" and that it was an affront to other ministers because they were all appointed by and equally responsible to the Sovereign. For these reasons there was a reluctance to use the title. Although Walpole is now called the "first" Prime Minister, the title was not commonly used during his tenure. Walpole