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
Parliamentary Private Secretary to the Prime Minister Many Prime Ministers have used this tactic during their premierships; former Prime Minister, David Cameron, only employed one Parliamentary Private Secretary at a time during his tenure in office, but he appointed John Henry Hayes as a minister without portfolio with responsibility for the Parliamentary Conservative Party, a job typically reserved for the Parliamentary Private Secretary. The final instalment of Michael Dobbs's and the BBC's "House of Cards" trilogy, "The Final Cut", includes a character, Claire Carlsen, who serves as Prime Minister Francis Urquhart's Parliamentary Private Secretary, ultimately betraying him by attempting to leak documents about his service in the