I Swore an Oath Once (Yemin Ettim Bir Kere) (translated)

Yemin Ettim Bir Kere ("I Swore an Oath Once") is a 1966 Turkish film written and directed by Orhan Elmas. It centers on a young man who sets out for revenge after his sister-in-law is raped and murdered.

The entire production was filmed on location in the İskilip district of Çorum province, with Tanju Gürsu in the leading role.