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 Ukraine Constitution in 1996, only Prime Ministers Pavlo Lazarenko and Mykola Azarov have left their post this way. While the Prime Minister does not have a set term limit, he or she stays in office for the duration of the parliament term, unless he or she resigns or is dismissed earlier. Before the constitutional reform of 2004, the prime minister was usually dismissed unilaterally by the president. After the reform, the prime minister could only be dismissed by the parliament. Formally, the Verkhovna Rada needed to pass a resolution of no confidence of the cabinet, which had to result in the