The authors of the article, based on a wide range of sources, investigated and commented on questions about why Lieutenant General Kuzma Nikolaevich Derevyanko became the representative of the USSR, whose signature (along with the signatures of representatives of other victorious countries), standing under the act of unconditional surrender of Japan, became the last fact and event of World War II, as well as its legal formalization. complete completion. The research was conducted by the authors in order to restore the historical justice of the memory of Lieutenant General K.N. Derevyanko, since his memory should be carefully preserved by all those who honor the multimillion-dollar sacrifices and fateful results of the Second World War for the whole world, the last line under the history of which was summed up by K.N. Derevyanko on September 2, 1945. That is why today (when the threat of a new world war has risen to full height) it seems especially important to turn to the events in the Far East in early September 1945 and their key participants, one of whom, by the will of fate and Joseph Stalin, was Lieutenant General Kuzma Nikolaevich Derevyanko. Therefore, the authors set themselves the goal of understanding the question “to whom Stalin entrusted the signing of the act of surrender of Japan, and to whom he did not instruct...”.