The Prussians are defeated at the Battle of Olmütz as Frederick
II's Moravian campaign fails.
Citation:
Editors. "Prussians lose Olmütz as Frederick II's Moravian campaign fails".
The Literary Encyclopedia. First published 01 April 2011
[http://litencyc.com/php/stopics.php?rec=true&UID=17471, accessed 24 May 2013.]