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
Commonwealth Prime Ministers' Conference swift expansion of the Commonwealth after decolonisation saw the newly independent countries demand the creation of the Commonwealth Secretariat, and the United Kingdom, in response, successfully founding the Commonwealth Foundation. This decentralisation of power demanded a reformulation of the meetings. Instead of the meetings always being held in London, they would rotate across the membership, subject to countries' ability to host the meetings: beginning with Singapore in 1971. They were also renamed the Commonwealth Heads of Government Meetings to reflect the growing diversity of the constitutional structures in the Commonwealth. Commonwealth Prime Ministers' Conference Commonwealth Prime Ministers' Conferences were biennial