Edward Smith-Stanley, 14th Earl of Derby

British statesman (1799–1869)

Edward George Geoffrey Smith-Stanley, 14th Earl of Derby (29 March 1799 – 23 October 1869), known as Lord Stanley from 1834 to 1851, was a British statesman and Conservative politician who served three times as Prime Minister of the United Kingdom. To date, he is the longest-serving leader of the Conservative Party (1846–68). He is one of only four British prime ministers to have three or more separate periods in office.

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