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
Prime Minister of Saudi Arabia Mohammad, who is his father's top aide. Since the time of the coup, the Kingship and the prime ministership have been one and the same. Prime Minister of Saudi Arabia The Prime Minister of Saudi Arabia is the chair of the Council of Ministers and formal head of government of the Kingdom of Saudi Arabia. Since the reign of King Faisal, the prime minister post has been held by the king. The office was created along with the Council of Ministers on 9 October 1953, by decree of King Saud. Due to unrest within the royal family over his rule,