Mezue ahịrịokwu na-esonụ: Romania na ndị Central Powers jikọrọ aka kemgbe 1882. Otú ọ dị, mgbe agha ahụ malitere, o kwupụtara nnọpụiche ya, na-ekwu na ebe ọ bụ na Austria-Hungary ebusowo Serbia agha, ọ dịghị Romania mkpa isonye n'agha ahụ. Na 4 August 1916, Romania na Entente bịanyere aka na nkwekọrịta ndọrọ ndọrọ ọchịchị na nkwekọrịta ndị agha, nke guzobere usoro nke Romania na-ekere òkè na agha ahụ. Na nzaghachi, ọ natara nkwenye nke ndị Allies maka Transylvania, Banat na ókèala ndị ọzọ nke Austria-Hungary ka ha sonyere Romania. Ndị mmadụ kwadoro ihe ahụ e mere. N'abalị iri abụọ na asaa n'ọnwa Ọgọstụ n'afọ 1916, ndị agha Romania malitere mwakpo megide Austria-Hungary, na nkwado Russia pere mpe. Ndị Rom na-awakpo ndị Rom na mbụ na Transylvania, mana mwakpo nke Central Powers mere ka ha laghachi azụ. N'ihi nke
Agha nke Bucharest, ndị Central Powers weghaara Bucharest na 6December 1916. Agha na Moldova gara n'ihu na 1917, mana ọpụpụ Russia na agha na ngwụcha 1917 n'ihi mgbanwe nke Ọktoba pụtara na a manyere Romania ịbịanye aka na nkwekọrịta nkwekọrịta na Central Powers na 9 Disemba 1917.