Kammala jumla mai zuwa: An yi la'akari da rashin nasarar Serbia da ke gabatowa, aƙalla ta masu kallo na waje, idan aka kwatanta da ƙarfin Austria-Hungary. Babu shakka Serbia ta shirya sosai, duk da haka, kuma bayan jerin fadace-fadace a cikin 1914-1915 (Battle of Cer,
Yaƙin Kolubara), asarar da sake dawo da Belgrade, da kuma wani yaƙin da Serbia ta yi tare da mamaye wasu yankuna na Austriya (a Syrmia da gabashin Bosnia), sojojin Austriya sun ja da baya. A ranar 5 ga Yuli, 1914, abubuwa sun canza yayin da tsohon Sarki Peter I ya bar ayyukansa ga magajinsa Alexander, yana mai da shi mai mulki.