In Switzerland, religious tensions develop into institutionalised
enmities, when the Catholic Forest Cantons sign a Christian Union
with Austria. This creates an antagonism with the Protestant Civic
League, comprised of Zurich, Berne, Strasbourg and Constance.
Citation:
Editors. "Catholic and Protestant antagonism in Swiss Cantons".
The Literary Encyclopedia. First published 01 November 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=14419, accessed 23 May 2013.]