"Henry John Temple, 3rd Viscount Palmerston, KG, GCB, PC (20 October 1784 ? 18 October 1865), known popularly as Lord Palmerston, was a British statesman who served twice as Prime Minister in the mid-19th century. Popularly nicknamed "Pam," or "The Mongoose", he was in government office almost continuously from 1807 until his death in 1865, beginning his parliamentary career as a Tory and concluding it as a Liberal."--Wikipedia.