From: Paducah, Kentucky
Sorry. let me rephrase
What ended on the August 31, 1939 (the day before World War II started) ?
When I posed the question, the answer was intended to be 'the war between the Soviet Union and Japan'. In searching the reference for posting here, I now realize that while the fighting might have been over, the official declaration of peace might not have happened for a while.
From "The Second World War : A Complete History" by Martin Gilbert....
On...August 31, the Soviet Union, Germany's ally of less than a week, had finally been victorious in its battle with the Japanese on the Soviet-Mongolian borderlands, as Soviet forces, commanded by General Zhukov, destroyed the last reststance of the Sixth Japanese Army at Khalkhin Gol. As one war ended, another began, known to history as the Second World War.
When I first read this I gathered that the war between the Soviet Union and Japan had ended on the day before WWII started.
But it is still sort of interesting. From an Eastern perspective, the attack on Poland might not be the starting point of the war; but rather hostilities between Japan and the Soviet Union (or even hostilities between Japan and Korea, China, etc.
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