John George, Elector of Saxony, gathers an army to fight with
Emperor Ferdinand II against the Swedes. Until the previous year,
the Elector and Emperor were antagonists in the Thirty Years War,
but since signing the Peace of Prague Saxony has shifted camps to
fight against his former ally.
Citation:
Editors. "The Elector of Saxony gathers an army to fight the Swedes".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16100, accessed 19 May 2013.]