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 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 the United Kingdom in from April to May 1946, and was hosted by that country's Prime Minister, Clement Attlee. Discussions were primarily related to political and economic settlements arising from the end of World War II. The final communiqué expressed the Commonwealth's support for the creation of the United Nations as an instrument for peace and security as well as for raising the standard of living and the promotion of democratic liberty