Prime Minister of the United Kingdom official recognition given to the office had only been in the Treaty of Berlin in 1878, when Disraeli signed as "First Lord of the Treasury and Prime Minister of her Britannic Majesty". It wasn't until 7 years later, in 1885, did the official records entrench the institution of Prime Minister, using "Prime Minister" at the list of Government ministers printed in Hansard. Incumbents had no statutory authority in their own right. As late as 1904, Arthur Balfour explained the status of his office in a speech at Haddington: "The Prime Minister has no salary as Prime Minister. He has no
Records of Prime Ministers of the United Kingdom when he succeeded his father as the 3rd Duke of Grafton on 6 May 1757, eleven years before his term of office began. The longest service as MP was enjoyed by Sir Winston Churchill, who sat for a total of 63 years and 360 days, for five successive seats, between 1 October 1900 and retiring on 25 September 1964, excluding two intervals out of parliament (in 1908 and 1922–24), retiring as Father of the House. He was in the Commons throughout both his terms as Prime Minister, and his service covered the terms of eleven other Prime Ministers, from Lord