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
1946 Commonwealth Prime Ministers' Conference throughout the world. This was the final Prime Ministers' Conference consisting only of the "Old Commonwealth" of white nations and white-led South Africa. Ireland did not participate although at the time the British Commonwealth still regarded Ireland as one of its members. Neutral Ireland considered it inappropriate to attend on the basis that the Conference was "discussing matters relating to the war". Ireland had not participated in any equivalent conferences since 1932. 1946 Commonwealth Prime Ministers' Conference The 1946 Commonwealth Prime Ministers' Conference was the second Meeting of the Heads of Government of the British Commonwealth. It was held in