History Moments on Instagram: "On September 2, 1945, Japan formally surrendered to the United States aboard the USS Missouri in Tokyo Bay. The ceremony marked the end of World War Il after six years of conflict. Japanese Foreign Minister Mamoru Shigemitsu signed the surrender document, witnessed by General Douglas MacArthur and other Allied leaders. The event followed the atomic bombings of Hiroshima and Nagasaki. Representatives from multiple Allied nations attended the brief, somber ceremony.