Serbian campaign (1915)
The Serbian campaign of 1915 (German: Der serbische Feldzug 1915) refers to a military campaign carried out by the Central Powers, primarily Germany, Austria-Hungary and Bulgaria, against the Kingdom of Serbia during World War I. The campaign took place from October to November 1915. After Serbia successfully resisted Austria-Hungary's advances during the Serbian campaign of 1914, the Central Powers launched a joint offensive against Serbia with a combined force of over 600,000 soldiers.