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 VI, Baldwin announced on 27 May 1937 that he would resign the premiership the next day. His last act as Prime Minister was to raise the salaries of MPs from £400 a year to £600 and to give the Leader of the Opposition a salary. This was the first rise in MPs' wages since their introduction in 1911 and it particularly benefited Labour MPs. Harold Nicolson wrote in his diary that it "was done with Baldwin's usual consummate taste. No man has ever left in such a blaze of affection". Baldwin was knighted as a Knight of the Garter (KG)