In the movie The Water Diviner , Hassan explains the Greco-Turkish wars and how the Greeks defended the Pontian Greeks and Armenians and they will now fight to defend their former land .
Jemal takes Joshua to Hasan , who explains that the [ [ Greco-Turkish War ( 1919–22 ) where Greeks landed to defend the Pontian Greeks and Armenians ( indigenous to the land ) and they are going to defend their countrymen on land that was once theirs .
The Water Diviner