Called by historians the "Battle of the captains vs the generals," referring to the young Bulgarian army, whose highest rank went up to a captain, the Battle of Slivnitsa (Bulgarian: Битка при Сливница,Serbian: Битка на Сливници) was a decisive factor in the victory of the Bulgarian army over the Serbians on November 17–19, 1885 in the Serbo-Bulgarian War. It solidified the unification between the kingdom of Bulgaria and Eastern Rumelia.