Mezue ahịrịokwu na-esonụ: Greek Summer Offensive nke 1920 bụ mwakpo nke ndị agha Gris, nke ndị agha Britain nyere aka, iji weghara mpaghara ndịda nke Oké Osimiri Marmara na Mpaghara Aegean site na Kuva-yi Milliye (Ndị agha mba) nke gọọmentị na-akpụ akpụ nke mba Turkey na Ankara. Tụkwasị na nke ahụ, ndị agha Gris na ndị Britain na-akwado Kuva-yi Inzibatiye (Forces of Order) nke gọọmentị Ottoman na Constantinople, nke chọrọ ịkụda ndị agha mba Turkey. Mwakpo ahụ bụ akụkụ nke Agha Gris na Turkey ma bụrụ otu n'ime ọtụtụ ọgụ ebe ndị agha Britain nyere ndị agha Gris aka. Ndị agha Britain keere òkè dị ukwuu n'imeri obodo ndị dị n'ụsọ Oké Osimiri Marmara. Site na nkwenye nke ndị Allies, ndị Gris malitere mwakpo ha na 22 June 1920 wee gafee 'Milne Line'. 'Milne Line' bụ akara nkewa dị n'etiti Gris na Turkey, nke e debere na Paris. Ndị Turkey enweghị ike iguzogide ha n'ihi na ndị agha ha dị ole na ole n'ebe ọdịda anyanwụ Anatolia. Ha nọkwa na-arụsi ọrụ ike n'ebe ọwụwa anyanwụ na
n'ebe ndịda. Mgbe ha guzogidere ha, ha laghachiri Eskişehir na iwu Mustafa Kemal Pasha.