Count Mansfeld's expedition to aid Frederick V, Elector Palatine,
fails largely due to sickness among his English troops.
Citation:
Editors. "English expedition in the Palatinate fails".
The Literary Encyclopedia. First published 01 February 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=15916, accessed 19 May 2013.]