When did the man who Lord Frederick Charles Cavendish was a protege of last serve as Prime Minister?
Lord Frederick Cavendish Lord Frederick Charles Cavendish {'1': ", '2': ", '3': ", '4': "} (30 November 1836 – 6 May 1882) was an English Liberal politician and "protégé" of the Prime Minister, William Ewart Gladstone. Cavendish was appointed Chief Secretary for Ireland in May 1882 but was murdered only hours after his arrival in Dublin, a victim of the politically motivated Phoenix Park murders.
John Stuart, 3rd Earl of Bute John Stuart, 3rd Earl of Bute, ( ; 25 May 1713 – 10 March 1792) was a Scottish nobleman who served as Prime Minister of Great Britain (1762–1763) under George III. He was arguably the last important favourite in British politics. He was the first Prime Minister from Scotland following the Acts of Union in 1707 and the first Tory to have held the office.