Editors. "Bitterness between Catholics and Protestants at the Ratisbon Imperial Diet". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15589, accessed 21 April 2014.]
The Imperial Diet has been summoned to Ratisbon to vote supplies for the war against the Ottomans. However, it is prorogued by Archduke Matthias, after Catholic and Protestant representatives cannot resist acrimonious arguments about the validity or otherwise of majority decisions.