Following the death of Lord George Bentinck, in September 1848,
Benjamin Disraeli becomes leader of the Conservative Party.
Citation:
Editors. "Benjamin Disraeli becomes leader of Conservative Party".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18196, accessed 24 May 2013.]