Derby's government resigns, when a Coalition of Whigs and Peelites is formed under Lord Aberdeen, with W. E. Gladstone as chancellor of Exchequer.
Citation:
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 25 May 2013.]