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
Royal Archives of George III. Additionally, despite William IV’s official papers being destroyed after his death in 1837, records including personal accounts, military documents, and private correspondence have been preserved in the Royal Archives. As acting Prime Ministers under the reign of William IV and Queen Victoria, Charles Grey, 2 Earl Grey and Lord Melbourne, produced a wealth of official correspondence during their time in service. Known as the Melbourne and Howick Papers, these documents detail noteworthy political and social affairs of the 1830’s. Contributing to the documentation of Queen Victoria’s reign, Viscount Esher edited both private and official correspondence, which was