When Lord Palmerston became Prime Minister for the first time in 1855, he had already had a long career, first as a Secretary at War during the Napoleonic Wars, then Foreign Secretary over most of the period from 1830 to 1851, so had a depth of experience of war leadership, with a reputation as interventionist. His first premiership had overseen eventual victory in the Crimean War, but he resigned in February 1858. This was, however, not the end of his political career.
The following year, his charismatic personality traversed the whole spectrum of the political stage: Disraeli offered him the role of Leader of the Conservative Party, and, after turning it down, he was involved in the meeting at Willis's Rooms, where the Liberal …
Editors. "Palmerston Prime Minister for the second time". The Literary Encyclopedia. First published 30 August 2013
[http://www.litencyc.com/php/stopics.php?rec=true&UID=1857, accessed 28 March 2017.]