Editors. "Danish forces defeated at Dybbol; German troops invade Denmark". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18470, accessed 21 April 2014.]
In the Second War of Schleswig, Danish forces are defeated at the Battle of Dybbol, and Prussian troops proceed to invade Denmark.