The Khmer Rouge History Project chronicles the genocide that occurred in Cambodia from 1975-1979 day by day as it happened, through news stories, court documents, diplomatic cables and historical photos
June 21, 1978: Vietnam’s Radio Hanoi broadcasts in Khmer:
“the entire Cambodian nation is now facing genocide,”
and names Khmer Rouge Prime Minister Pol Pot and Deputy Prime Minister leng Sary as those “criminally responsible”.