Mezue ahịrịokwu na-esonụ: Romania bụ naanị obere ike n'oge Agha Worldwa nke Mbụ nke jisiri ike wakpo ókèala nke Great Great Europe ma jide otu n'ime obodo Great Power, ya na ọtụtụ iri puku ndị bi na ya, ihe karịrị otu ọnwa (Ọgọstụ 29 ruo Ọktọba 7), gụnyere otu ọnwa kalenda zuru ezu (September 1916). O siri ike ịchọta ihe ọ bụla iji tụnyere nke a, ebe ọ bụ na ike ndị pere mpe apụghị ịwakpo ike ukwu. N'oge agha ahụ, Bulgaria wakporo Serbia (Morava Offensive, Ovče Pole Offensive), Romania (
Agha nke Turtucaia, Agha nke Bazargic) na Albania (Ọchịchị Bulgaria nke Albania), mana ndị a niile bụ obere ike. Otu ihe atụ yiri nke ahụ bụ mwakpo ndị Serbia wakporo ógbè Syrmia nke Austria-Hungary Bosnia. Na 6 Septemba 1914, Field Marshal Radomir Putnik nyere ndị agha nke mbụ nke Serbia iwu ka ha gafee Osimiri Sava n'ime Austro-Hungarian Syrmia. Ka ọ na-erule September 11, ndị Serbia abanyela n'ókèala Austro-Hungarian ruo kilomita iri abụọ. Otú ọ dị, n'otu ụbọchị ahụ, ọganihu ndị Serbia kwụsịrị, na site na 14 Septemba ndị Serbia hapụrụ Syrmia.