Pedzisa mutsara unotevera: Pashure pokukunda kweuto reSerbia mu
Hondo yeKolubara muna Zvita 1914, hondo yeSerbia yakaona runyararo kusvika kutanga kwematsutso a1915. Pasi pehutungamiri hwa Field Marshal August von Mackensen, Austro-Hungarian Balkan Army, German 11th Army uye rwizi flotillas paDanube neSava vakatanga kurwisa musi wa 6 Gumiguru 1915, kurwisa kukuru kurwisa Serbia. Pakazosvika Nyamavhuvhu 1915, zvisinei nekuzvipira kwakanyanya kwemauto eSerbia, mauto eAustria-Hungary eBalkan, mushure mekunge vayambuka nzizi dzeSava neDrina neGerman 11th Army mushure mekuyambuka Danube, vakatora Belgrade, Smederevo, Požarevac neGolubac, vachigadzira bhiriji rakakura kumaodzanyemba kwerwizi rweSava neDanube, uye kumanikidza mauto eSerbia kuti adzokere kumaodzanyemba kweSerbia.