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 Cambodia Thammayut and Mohanikay order. A cabinet will then be unveiled. The formation of a new government takes place no more than 60 days after the election, as defined in the constitution. The prime minister is assisted by deputy prime ministers. Article 125 of the Constitution states that should the prime minister resign or die in office, an acting prime minister is appointed. The Peace Palace serves as the principal workplace of the prime minister. It was inaugurated on 19 October 2010 by the King. However, the prime minister resides at his own private residence. The powers of the Prime Minister