In the Thirty Years War, the Protestant allies take aggressive
action. An army from Saxony invades Bohemia, while Gustavus II of
Sweden, despite advice to march on Vienna, crosses Thuringia and
Franconia, towards the Rhine, in order to try to relieve
Protestants under the repressive rule of Maximilian of Bavaria.
Citation:
Editors. "Saxon troops invade Bohemia".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=16030, accessed 19 May 2013.]