Editors. "Ultra-Conservative Prince de Polignac appointed French Prime Minister". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17922, accessed 19 May 2013.]
In France, Charles X appoints Prince de Polignac as Prime Minister. His appointment is considered as an attempt to move away from obedience to the Constitution, since Polignac is an Ultra-Conservative who does not possess the confidence of the Chamber of Deputies.