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 Laos the People's Democratic Republic traces its lineage back to Kaysone Phomvihane, the first Prime Minister of the People's Democratic Republic. The predecessor office to the Prime Minister of the People's Democratic Republic was the Prime Minister of the former Kingdom of Laos. There have been 7 prime ministers of the People's Democratic Republic, but there have been 17 prime ministers of Laos if the prime ministers of the Kingdom of Laos are counted. Between December 1959 to December 1960, Laos had six different Prime Ministers, who were ousted by six successive political coups. Prime Minister of Laos The Prime Minister