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
Prime minister-designate the largest party, in which case (s)he becomes prime minister-designate same as if his/her party had a majority. On the other hand, if a prime minister in such a situation chooses not to resign, the leader of the largest opposition party will not become the prime minister-designate even if his/her party has the most seats. In the latter case, the prime minister must win a vote of confidence to remain in office. If (s)he is immediately defeated in the house, the head of state in most Westminster systems is often expected to refuse a request to dissolve the house. The