Prime Minister of the United Kingdom retirement from the Commons, which elevates the individual to the House of Lords. Formerly, the peerage bestowed was usually an earldom, with Churchill offered a dukedom. From the 1960s onward, life peerages were preferred, although in 1984 Harold Macmillan was created Earl of Stockton. Sir Alec Douglas-Home, Harold Wilson, James Callaghan and Margaret Thatcher accepted life peerages, although Douglas-Home had previously disclaimed his hereditary title as Earl of Home. Edward Heath did not accept a peerage of any kind and nor have any of the Prime Ministers to retire since 1990; although Heath and Major were later appointed as Knights
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