Kammala jumla mai zuwa: Yaƙin Girka na bazara na 1920 ya kasance wani hari ne da sojojin Girka suka yi, tare da taimakon sojojin Burtaniya, don kama yankin kudancin Tekun Marmara da Yankin Aegean daga Kuva-yi Milliye (Sojojin Kasa) na gwamnatin motsi na wucin gadi na Turkiyya a Ankara. Bugu da kari, sojojin Girka da na Burtaniya sun sami goyon baya daga Kuva-yi Inzibatiye (Forces of Order) na gwamnatin Ottoman a Constantinople, wanda ya nemi murkushe sojojin kishin Turkiyya. Harin ya kasance wani ɓangare na Yaƙin Girka-Turkiya kuma yana ɗaya daga cikin alkawura da yawa inda sojojin Burtaniya suka taimaka wa sojojin Girka masu ci gaba. Sojojin Burtaniya sun shiga cikin mamaye garuruwan bakin teku na Tekun Marmara. Tare da amincewar Allies, Helenawa sun fara kai hare-haren a ranar 22 ga Yuni 1920 kuma sun tsallake 'Layin Milne'. "Layin Milne" shine layin rarrabuwa tsakanin Girka da Turkiyya, wanda aka shimfiɗa a Paris. Tsayayyar Turkawa ta iyakance, saboda ba su da sojoji da yawa a yammacin Anatolia. Sun kuma shagaltu a gabas da kuma
kudancin gaba. Bayan sun ba da ɗan adawa, sai suka koma Eskişehir bisa umarnin Mustafa Kemal Pasha.