Balfour succeeded his uncle Lord Salisbury as Prime Minister and Conservative Party leader in July 1902 ( Balfour had been Conservative leader in the House of Commons since 1891 ).

On Lord Salisbury's resignation on 11 July 1902, Balfour succeeded him as Prime Minister, with the approval of all sections of the Unionist party.

After the Unionists had failed to win an electoral mandate at either of the General Elections of 1910 ( despite softening the Tariff Reform policy with Balfour's promise of a referendum on food taxes ), the Unionist peers split to allow the Parliament Act to pass the House of Lords, in order to prevent a mass-creation of new Liberal peers by the new King, George V. The exhausted Balfour resigned as party leader after the crisis, and was succeeded in late 1911 by Andrew Bonar Law.

Balfour remained an important figure within the party, however, and when the Unionists joined Asquith's coalition government in May 1915, Balfour succeeded Winston Churchill as First Lord of the Admiralty.

He was in 1904 appointed as governor general by King Edward VII, on the recommendation of Prime Minister of the United Kingdom Arthur Balfour, to replace the Earl of Minto as viceroy and occupied that post until succeeded by Prince Arthur, Duke of Connaught and Strathearn, in 1911.

He was succeeded by his nephew, Arthur James Balfour.

Indeed in its early years the LEL succeeded in attracting some leading members of the establishment to its ranks, including Field-Marshal Edmund Ironside, 1st Baron Ironside, Lieutenant-General Sir Balfour Oliphant Hutchison and former British People's Party election candidate Air Commodore G. S.

Balfour never married and was succeeded according to the special remainders by his younger brother Gerald, the second Earl.

His son, the second Baron, served in the Conservative administrations of Lord Salisbury and Arthur Balfour as a government whip from 1895 to 1905. the titles are held by his great-grandson, the fifth Baron, who succeeded his father in 1968.

He succeeded in the earldom in 1898 and served briefly under Arthur Balfour as First Lord of the Admiralty.

* April 1925 – On Curzon's death, Lord Balfour succeeded him as Lord President.

In 1886 he was sworn of the Privy Council and the following year he succeeded Arthur Balfour as Secretary for Scotland and Vice-President of the Scottish Education Department in Lord Salisbury's Conservative administration.

He remained as Lord Advocate when Arthur Balfour became Prime Minister in 1902, but the following year he succeeded Lord Balfour of Burleigh as Secretary for Scotland, with a seat in the cabinet.

He succeeded his teacher Balfour Stewart as professor of physics in 1888.

He had no issue and was succeeded by his brother David Andrew Balfour, 4th Baron Kinross.

Prime Ministers from 1900 to 1945: Marquess of Salisbury, Arthur Balfour, Sir Henry Campbell-Bannerman, Herbert Henry Asquith, David Lloyd George, Andrew Bonar Law, Stanley Baldwin, Ramsay MacDonald, Stanley Baldwin, Ramsay MacDonald, Stanley Baldwin, Neville Chamberlain and Winston Churchill.

Devonshire became Lord President of the Council, and Salisbury and Balfour offered Chamberlain any Cabinet position except Foreign Secretary or Leader of the House of Commons.

" When the Republic of South Africa ( Transvaal ) formally rejected the notion of British suzerainty as allegedly described by the peace treaty of 1881, Chamberlain and Balfour prompted Salisbury to initiate discussions with Portugal regarding Delagoa Bay.

Salisbury did not speak at all, and Balfour made few public appearances, causing some to refer to the event as ' Joe's Election '.

Under pressure from Balfour and Queen Victoria, the ailing Salisbury surrendered the seals of the Foreign Office on 23 October though remaining as Prime Minister.

On 11 July Salisbury went to Buckingham Palace, without notifying his Cabinet colleagues, and resigned, with the King inviting Balfour to form a new government later that day.

In the spring of 1878 Balfour became Private Secretary to his uncle, Lord Salisbury.

In 1885, Lord Salisbury appointed Balfour as President of the Local Government Board ; the following year he became Secretary for Scotland, with a seat in the cabinet.

During the illness of Lord Salisbury in 1898, and again in Lord Salisbury's absence abroad, Balfour was put in charge of the Foreign Office, and it was his job to conduct the critical negotiations with Russia on the question of railways in North China.

Lord Salisbury succeeds Balfour as Lord Privy Seal.

Lord Salisbury, remaining Lord Privy Seal, succeeds Balfour at the Board of Trade.

The issue became " explosive ", dividing the British political world, and continued even after Salisbury retired and was replaced as Prime Minister by his nephew, Arthur Balfour.

Balfour refused all suggestions of party reorganisation until a meeting of senior Conservatives led by Lord Salisbury after the December 1910 electoral defeat issued an ultimatum demanding a review of party structure.

Winston Churchill emerging from Number 10 holding up the " V " sign for " Victory " When Lord Salisbury retired in 1902, his nephew, Arthur James Balfour, became Prime Minister.

In 1902, following the retirement of Prime Minister Salisbury, Chamberlain was promoted to the position of Postmaster General by the new premier, the Conservative Arthur Balfour.

However the Liberals lost the 1895 general election and Salisbury once again became Prime Minister, leading Britain to war against the Boers and the Unionists to another electoral victory in 1900 before relinquishing the premiership to his nephew Arthur Balfour.

In the aftermath of the general election of 1892, Balfour and Chamberlain wished to pursue a programme of social reform, which Salisbury believed would alienate " a good many people who have always been with us " and that " these social questions are destined to break up our party ".

), Salisbury – Balfour Correspondence: Letters Exchanged between the Third Marquess of Salisbury and his nephew Arthur James Balfour, 1869 – 1892 ( 1988 ).

The Balfour report of 1921, the Geddes Axe of 1922 and the Salisbury Committee of 1923 all found in favour of the RAF despite lobbying from the Admiralty and opposition in Parliament.

Devonshire was not asked to become Prime Minister when Lord Salisbury retired in favour of his nephew Arthur Balfour in 1902.

Since 1974, the official residence of the prime minister is Beit Aghion, at the corner of Balfour and Smolenskin streets in Rehavia.

The role Churchill played in the Sidney Street Siege was highly controversial at the time, and many, including Arthur Balfour, the former prime minister, accused him of having acted improperly.

Gerald Balfour, brother of Arthur, and nephew of the new prime minister, Lord Salisbury was appointed Chief Secretary for Ireland on 4 July.

He obtained his MA and married the great-granddaughter of David Lloyd George, who was the British prime minister at the time of the Balfour Declaration.

The King's decision was firmly based on his own good sense and the powerful arguments of Balfour against the choice of a peer as prime minister.

The Conservative leader, Lord Salisbury, took office as prime minister, and his nephew, Arthur Balfour, was leader of the Commons, but various major posts went to the Liberal Unionist leaders, most notably the Liberal Unionist leader in the Lords, the Duke of Devonshire, who was made Lord President, and his colleague in the Commons, Joseph Chamberlain, who became Colonial Secretary.