Records of Prime Ministers of the United Kingdom the middle name until the 1980s.) The richest Prime Minister was Lord Derby, with a personal fortune of over £7 million (about £444 million in today's money). The poorest was William Pitt the Younger, who was £40,000 (now over £1 million) in debt by 1800. Three Prime Ministers ultimately died as a result of accidents: Records of Prime Ministers of the United Kingdom The article lists the records of Prime Ministers of Great Britain and of the United Kingdom since 1721. The Prime Minister with the longest single term was Sir Robert Walpole, lasting 20 years and 315 days from
Records of Prime Ministers of Hungary Revolution of 1848 he was executed 1 year and 4 days later, on 6 October 1849. The shortest lived after office premier who died in natural causes was Kálmán Darányi. He left the office on 14 May 1938 and died on 1 November 1939. Three Prime Ministers have died in office: Six Prime Ministers were executed; all of them after leaving office. Records of Prime Ministers of Hungary Records of Prime Ministers of Hungary from 1848 to the present. The Prime Minister with the longest single term was Count Kálmán Tisza, lasting 14 years and 144 days from 20 October