Alliance of Kloster-Severn is signed between Francis I of France, Bavaria, Saxony and Hesse, to oppose the recognition of Ferdinand as King of the Romans.
Editors. "Francis I, Bavaria, Saxony and Hesse unite against King Ferdinand". The Literary Encyclopedia. First published 01 March 2010; last revised 30 November -1.
[http://www.litencyc.com/php/stopics.php?rec=true&UID=9995, accessed 26 April 2015.]