Editors. "Diet at Ratisbon in deadlock over religions issues". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15724, accessed 26 May 2013.]
At a meeting of the German Diet at Ratisbon, the Emperor Matthias calls for funds to aid his campaign against the Turks. The Catholic princes and the Elector of Saxony agree to his demands, but the other Protestant princes refuse.