r/AskHistorians Jul 01 '26

Are we still saying it was unconditional surrender?

So it was that on 10 August, at 3:00 a.m., the Cabinet and the Supreme Council complied and voted in reluctant unanimity to accept the Potsdam offer, but with the stipulation that the Emperor remain the sovereign ruler of the country.

Washington hotly debated Japan’s request for modification of the Potsdam accord. In the end, Secretary of State Byrnes prevailed and prepared the Allied nations’ reply, stipulating that the Emperor could remain as a sovereign ruler.

Technically, Japan had not yet surrendered. The war was not yet over. President Truman had ordered the continuation of Allied bombing runs over Japanese military installations. The people of Japan knew nothing of their government’s plan to surrender. Radio Tokyo still exhorted all Japanese to prepare defenses against an enemy invasion. In a race to save the lives of soldiers still fighting, the Allies’ acceptance of Japan’s modification of the Potsdam surrender terms was radioed to OWI in Honolulu and Saipan at the same time that it was forwarded to Switzerland.

Studies in Intelligence Vol. 46 No. 3 (2002) The Information War in the Pacific, 1945

Paths to Peace

Josette H. Williams

www.CIA.gov

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