Which of Britain's Labour Prime Ministers was in office for the longest continuous term and the longest time overall?
Records of Prime Ministers of the United Kingdom Irish Scottish Welsh Others Two other Prime Ministers are known to have had Jewish ancestors: Britain's Prime Ministers have been predominately Anglican by denomination, in an office which has had input into the appointment of that Church's bishops. The first to hold the office from outside the English established church was Lord Bute, who was a member of the Scottish Episcopal Church, while the Duke of Grafton was the first to convert away by formally becoming a Unitarian, after leaving office. Tony Blair is the only British Prime Minister to become a Roman Catholic, albeit he converted after leaving office.
Records of Prime Ministers of the United Kingdom Records of Prime Ministers of the United Kingdom The article lists the records of Prime Ministers of Great Britain and of the United Kingdom since 1721. The Prime Minister with the longest single term was Sir Robert Walpole, lasting 20 years and 315 days from 3 April 1721 until 11 February 1742. This is also longer than the accumulated terms of any other Prime Minister. The shortest period in office is more confused, depending on the criteria. The shortest ever period was only three days, a record held by Lord Bath, from 10 February to 12 February 1746, who was