Sonderbund War begins in Switzerland after Catholic Cantons refuse to dissolve union in face of liberal majority in Diet (July 20th), the Sonderbund is dissolved after defeat of Catholic Cantons (Nov. 29th).
Editors. "Sonderbund War". The Literary Encyclopedia. First published 01 January 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=4899, accessed 04 May 2015.]