British Prime Minister Lord Grey resigns over the problem of tithes and the coercion act in lreland. On 16th July he is succeeded by a fellow Whig, William Lamb, Viscount Melbourne.
Citation:
Editors. "Viscount Melbourne becomes Prime Minister for the first time".
The Literary Encyclopedia. First published 01 March 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=1847, accessed 23 May 2013.]