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 Canada and Pierre Trudeau, all before being re-appointed as prime minister (Mackenzie King twice); Alexander Mackenzie and John Diefenbaker, both prior to sitting as regular Members of Parliament until their deaths; Wilfrid Laurier dying while still in the post; and Charles Tupper, Louis St. Laurent, and John Turner, each before they returned to private business. Meighen was also appointed to the Senate following his second period as prime minister, but resigned his seat to seek re-election and moved to private enterprise after failing to win a riding. Following Meighen into civilian life were: Robert Borden, who served as Chancellor of Queen's