Editors. "Northern European alliance formed against Sweden". The Literary Encyclopedia. First published 01 April 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17168, accessed 21 April 2014.]
Prussia, Saxony, Poland, Hanover and Denmark form an alliance, declaring war on Sweden. As part of this pact, an agreement is made whereby Denmark will sell its Duchies of Bremen and Verden to Hanover.