Editors. "Russian victory over Prussians at Gross Jägersdorf". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=17711, accessed 18 December 2013.]
At the Battle of Gross Jägersdorf, a Russian force secures victory over Frederick II's Prussian troops. The Russians go on to occupy East Prussia but then withdraw.