Spouse of the Prime Minister of Canada turn herself into a First Lady. Canada has had two prime ministers who were bachelors, William Lyon Mackenzie King and R.B. Bennett. Mackenzie Bowell, a widower whose wife, Harriet, died in 1884, was also not married during his term in office. Pierre Trudeau began his term as a bachelor, became the first Canadian prime minister to get married while in office and ended it as Canada's first divorced prime minister. Three other Canadian prime ministers—John A. Macdonald, Alexander Mackenzie, and John Diefenbaker—were widowers, who each married their second wives during their terms as prime minister. Macdonald's first wife was Isabella
Deputy Prime Minister of Sweden not be able not to perform his duties. With the enactment of the 1974 Instrument of Government and the inauguration of Thorbjörn Fälldin's three-party cabinet in 1976, Per Ahlmark was formally sworn in as the first to hold the office of Deputy Prime Minister. In 1986 Deputy Prime Minister Ingvar Carlsson became acting Prime Minister for the transitional cabinet from March 1 to March 12, upon the assassination of Olof Palme, the only time the death of the Prime Minister has caused the Deputy Prime Minister to temporarily assume the office. Carlsson subsequently received the task of forming a new