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Which Japanese military leader signed the surrender document for Imperial General Headquarters after Mamoru Shigemitsu?
Answer
Yoshijiro Umezu
What was the first phase of Operation Downfall, aimed at southern Kyushu?
Answer
Operation Olympic
What proposed Allied operation would have invaded Japan's home islands in late 1945?
Answer
Operation Downfall
What Allied declaration did Japan accept as the basis for its 1945 surrender?
Answer
Potsdam Declaration
On what date did U.S. President Harry Truman announce Japan's surrender in a nationwide broadcast?
Answer
August 14, 1945
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What was the first phase of Operation Downfall, aimed at southern Kyushu?
Answer
Operation Olympic
What proposed Allied operation would have invaded Japan's home islands in late 1945?
Answer
Operation Downfall
What Allied declaration did Japan accept as the basis for its 1945 surrender?
Answer
Potsdam Declaration
What type of self-propelled vehicle did Leonardo da Vinci design for a theatrical performance?
Answer
A spring-powered cart
What wheeled invention did Leonardo da Vinci sketch that is often called an early robot?
Answer
Mechanical knight