Derby's government resigns, when a Coalition of Whigs and Peelites is formed under Lord Aberdeen, with W. E. Gladstone as chancellor of Exchequer.
Editors. "The Earl of Aberdeen becomes Prime Minister". The Literary Encyclopedia. First published 01 January 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=1854, accessed 21 December 2013.]