Buuxi weedha soo socota: Ka dib guushii ciidanka Serbia ee
Dagaalkii Kolubara bishii Diseembar 1914, horteedii Serbian waxay aragtay xasillooni ilaa dayrtii hore ee 1915. Hogaaminaya Field Marshal August von Mackensen, Ciidanka Balkanka ee Austro-Hungarian, Ciidanka 11-aad ee Jarmalka iyo maraakiibta webiga ee Danube iyo Sava waxay bilaabeen duulaan 6 Oktoobar 1915, duulaankii ugu weynaa ee ka dhanka ahaa Serbia. Bishii Sebtember 1915, inkasta oo ay aad u badnaayeen ciidankii Serbia, ciidankii Austro-Hungarian Balkan, oo ka gudbay webiyadii Sava iyo Drina iyo ciidankii 11aad ee Jarmalka ka dib markii ay ka gudbeen Danube, waxay qabsadeen Belgrade, Smederevo, Požarevac iyo Golubac, iyagoo abuuraya buundo ballaaran oo koonfurta webiyada Sava iyo Danube. Tani, oo ay weheliso weerarradii guuleysta ee Bulgaariya ee Morava, Ovče Pole iyo Kosovo waxay ku qasbeen ciidamada Serbia inay dib ugu laabtaan Giriigga dhexdhexaadka ah. Faransiiska iyo Ingiriiska ayaa ciidamo ka soo wareejiyay Gallipoli Campaign si ay ugu wareejiyaan Giriigga Macedonia. Jabhadda Makedoniya ayaa sidaas loo aasaasay dadaal lagu taageerayo inta ka hartay ciidanka Serbia si ay u qabsadaan Vardar Macedonia.