Great Offices of State have come close to achieving this distinction: Herbert Henry Asquith and Winston Churchill both served as Chancellor, Prime Minister and Home Secretary while Harold Macmillan and John Major served as Prime Minister, Chancellor and Foreign Secretary. Rab Butler and Sir John Simon served as Chancellor of the Exchequer, Foreign Secretary and Home Secretary. Two of the Great Offices of State have often been held simultaneously by one person, most recently by Ramsay MacDonald, Prime Minister and Foreign Secretary in 1924; Arthur Wellesley, the Duke of Wellington, is the only person to have held three of the Great Offices simultaneously, serving
Prime Minister of Bangladesh the longest serving prime minister in the country's history. According to the Constitution the Prime Minister is appointed by the President based upon the result of the electorates choice in parliamentary general election held by the Election Commission. The Prime Minister will be the leader of the majority party (or coalition) in the "Jatiya Sangsad" and must have the confidence of the "Jatiya Sangsad" to govern. The cabinet is composed of ministers selected by the prime minister and appointed by the president. At least 90% of the ministers must be MPs. The other 10% may be non-MP experts or "technocrats"