Records of Prime Ministers of the United Kingdom office of Prime Minister has coincided with the reigns of 11 British monarchs (including a Regency during the incapacity of George III from 1811 to his death in 1820), to whom the Prime Minister has been constitutionally head of government to the sovereign's headship of state. Until 1837 the death of a sovereign led to Parliament being dissolved within six months which led to a general election. Results of such elections were: Stanley Baldwin is the only Prime Minister to have served three sovereigns in successionKing George V, King Edward VIII and King George VI. Through being in office at
Deputy Prime Minister of Canada General would not merely be an "Acting Prime Minister", and would have the full powers and prerogatives of any other prime minister. Chrétien is the only deputy prime minister who has become prime minister. However, no deputy prime minister has directly (or within one parliamentary term) ascended to the position of prime minister or party leader. By contrast, five Ministers of Finance have become Prime Minister; Sir Charles Tupper, R.B. Bennett, John Turner, Jean Chrétien, and Paul Martin. All but Chrétien (during his 1984 leadership bid) were considered the front-runners to succeed the outgoing prime minister or party leader. Chrétien