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 yesterday". In 1935 Baldwin wrote to J. C. C. Davidson (in a letter now lost) saying of Churchill: "If there is going to be a war – and no one can say that there is not – we must keep him fresh to be our war Prime Minister". Thomas Dugdale also claimed Baldwin said to him: "If we do have a war, Winston must be Prime Minister. If he is in [the Cabinet] now we shan't be able to engage in that war as a united nation". The General Secretary of the Trades Union Congress, Walter Citrine, recalled a conversation