The Diên Niên - Phước Bình massacre was a massacre conducted by South Korean forces on October 9 and October 10, 1966, of 280 unarmed citizens in Tịnh Sơn village, Sơn Tịnh District, Quang Ngai province in South Vietnam.[2][1][3] The massacre was conducted in two hamlets in Tinh Son village.[1] One massacre was conducted in the Dien Nien Temple in Dien Nien hamlet, the second massacre was conducted in Phuoc Binh hamlet schoolyard.[1] Most of the victims were children, elderly and women.[1][3] The number of dead is given as 180 by Viet Nam News.[4]