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 Australia time to time Prime Ministers are required to leave the country on government business and a deputy acts in their place during that time. In the days before jet aircraft, such absences could be for extended periods. For example, William Watt was acting Prime Minister for 16 months, from April 1918 until August 1919, when Prime Minister Billy Hughes was away at the Paris Peace Conference, and Senator George Pearce was acting Prime Minister for more than seven months in 1916. An acting Prime Minister is also appointed when the prime minister takes leave. The Deputy Prime Minister most commonly