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
Stanley Baldwin of the Conservative Party. He enlarged the headquarters with professionals, professionalised the party agents, raised ample funds, and was an innovative user of the new mass media of radio and film. By 1931, as the economy headed towards crisis, both in Britain and around the world, with the onset of the Great Depression, Baldwin and the Conservatives entered into a coalition with Labour Prime Minister Ramsay MacDonald. This decision led to MacDonald's expulsion from his own party, and Baldwin, as Lord President of the Council, became "de facto" Prime Minister, deputising for the increasingly senile MacDonald, until he once again