Rubuta ci gaba don wannan sakin layi - Girka ta shiga Yaƙin Duniya na Farko a cikin 1917 da niyyar kwace Constantinople (Istanbul) da Smyrna (İzmir) daga Ottomans, tare da ƙarfafa gwamnatocin Burtaniya da Faransa, waɗanda suma suka yi wa gwamnatin Girka alkawarin "enosis" tare da Cyprus a wani mataki. Kisan kare dangi na ci gaba da Girkawa na Pontic
a Daular Ottoman kuma ta taka rawa a wannan shawarar. Ko da yake babu yaƙe-yaƙe kai tsaye tsakanin Helenawa da Turkawa, lokacin da Daular Ottoman ta rushe a shekara ta 1918 Helenawa sun yi hanzarin da'awar ƙasashen da Allies suka yi musu alkawari. Yarjejeniyar Sèvres ta 1920 ta ba Girka gabashin Thrace da yanki na kusan kilomita 17,000 a yammacin Anatolia kusa da Smyrna. Gwamnatin Ottoman ta sanya hannu kan wannan yarjejeniyar amma ba ta taɓa aiki ba, tun da majalisar ba ta amince da ita ba.