Records of Prime Ministers of the United Kingdom of . From oldest to youngest: The most recent death of a former Prime Minister was that of Baroness Thatcher (served 1979–90) on 8 April 2013 (aged 87 years, 177 days). Seven Prime Ministers have died in office: Spencer Perceval is the only British Prime Minister to have been assassinated. Sir Robert Peel, Margaret Thatcher and John Major survived assassination attempts in 1843, 1984 and 1991 respectively. Sir Henry Campbell-Bannerman and Bonar Law each resigned during their respective final illnesses. Law died five months after his resignation, but Campbell-Bannerman lived only another 19 days, dying at 10 Downing Street, the
1955 Commonwealth Prime Ministers' Conference 1955 Commonwealth Prime Ministers' Conference The 1955 Commonwealth Prime Ministers' Conference was the seventh Meeting of the Heads of Government of the Commonwealth of Nations. It was held in the United Kingdom in January 1955 and was hosted by that country's Prime Minister, Sir Winston Churchill. A sense of international crisis loomed over the conference which occurred during which the First Taiwan Strait Crisis as were other international developments such as the sudden resignation of Soviet Premier Georgy Malenkov and the fall of French prime minister Pierre Mendès France, all of which were discussed. Atomic energy for peaceful purposes, disarmament,