Declaration of Potsdam
Photograph of a session of the Potsdam Conference which includes Clement Attlee, Ernest Bevin, Viacheslav Mólotov, Joseph Stalin, William D. Leahy, Joseph E. Davies, James F. Byrnes, and Harry S. Truman. The Potsdam Declaration or Proclamation defining the terms for the Japanese surrender was a statement issued on July 26, 1945 by the President of the United States Harry S. Truman, the Prime Minister of the United Kingdom Winston Churchill and the President of the Republic of China Chiang Kai-shek, which dealt with the terms of the surrender of the Empire of Japan in World War II, as agreed at the Potsdam Conference. The statement stipulated that if Japan did not surrender, it would face "prompt and total destruction."
wiki