At the Battle of Freiburg, Austrian troops are defeated a Prussian
force commanded by Prince Henry. This is Prussia's only victorious
battle of the Seven Years' War won without the personal command of
Frederick II.
Citation:
Editors. "Battle of Freiburg".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17785, accessed 20 May 2013.]