Potsdam gave its name to the Allied declaration outlining Japan’s surrender terms in July 1945.
The Potsdam Declaration was issued on July 26, 1945, after the Potsdam Conference in Germany. United States President Harry Truman, British Prime Minister Winston Churchill, and Chinese leader Chiang Kai-shek were named as its issuers. The declaration demanded Japan’s surrender and warned of “prompt and utter destruction” if it refused.
Japan did not immediately accept the declaration. The country’s leaders continued debating surrender while military operations, air raids, and diplomatic pressure intensified. Japan eventually accepted the terms in August, with the surrender formally signed in September.
Potsdam is sometimes confused with Yalta, another major wartime conference. Yalta dealt mainly with the future political order of Europe and plans for the United Nations, while Potsdam addressed postwar arrangements in Europe and the demand directed at Japan.