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 Saudi Arabia 1960, allowing Saud to reclaim the reins of government, but continued discontent saw Faisal return as prime minister in 1962. After the deposition of Saud in 1964, Faisal succeeded him as king, while remaining prime minister. Since then the two offices have been merged. However, since the reign of King Khalid, others have done much of the "heavy lifting" as the king was either unwilling or unable to carry the workload, especially as the kingdom became a gerontocracy during the 1990s and 2000s. Royal Favorites achieved power to become "de facto" prime ministers. The current one is the King's son