Grenville resigns on collapse of ministry over a Regency bill, and Marquess of Rockingham forms a government.
Editors. "The Marquess of Rockingham becomes Prime Minister for the first time". The Literary Encyclopedia. First published 01 January 2010; last revised 30 November -1.
[http://www.litencyc.com/php/stopics.php?rec=true&UID=1831, accessed 26 April 2015.]