Editors. "Serbs defeated at Slivnitsa". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18920, accessed 20 June 2013.]
After having launched an invasion of Bulgaria, the Serbs are decisively defeated at the Battle of Slivnitsa. Only intervention from their Austrian allies saves Serbia from suffering a reciprocal invasion of its own territory.