Editors. "Wallenstein becomes General of the Imperial Forces". The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15927, accessed 19 May 2013.]
Holy Roman Emperor Ferdinand II appoints Albrecht von Wallenstein as General of the Imperial Forces, to lead the Habsburg armies in the Thirty Years War.