Aboard the USS Missouri in Tokyo Bay, Japanese and Allied representatives signed the document that formally ended a global conflict after six years of extraordinary destruction.
THE UNIVERSAL RECORD
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Brad Socha | September 2, 2026 | 4:57 AM EST
On the morning of September 2, 1945, representatives of Japan stepped aboard the American battleship USS Missouri in Tokyo Bay to formally surrender to the Allied powers. With signatures placed on the Instrument of Surrender, the Second World War, the deadliest conflict in modern history, formally came to an end.
The ceremony lasted less than half an hour, but it represented the culmination of years of warfare across Asia, Europe, Africa and the Pacific.
Japan had already announced its acceptance of Allied surrender terms in August, following the atomic bombings of Hiroshima and Nagasaki, the Soviet Union’s declaration of war against Japan and its offensive against Japanese forces in Manchuria. Emperor Hirohito announced the decision to the Japanese people in a radio broadcast on August 15.
September 2 transformed that decision into a formal act of surrender.
Japan Signs the Instrument of Surrender
Tokyo Bay was filled with Allied warships as the Japanese delegation arrived aboard the USS Missouri. The battleship had fought at Iwo Jima and Okinawa and participated in operations against the Japanese home islands during the final months of the Pacific War.
Foreign Minister Mamoru Shigemitsu headed the Japanese delegation. Wearing a morning coat and top hat, he signed the Instrument of Surrender on behalf of Emperor Hirohito and the Japanese government.
General Yoshijirō Umezu, chief of the Army General Staff, signed next on behalf of the Japanese Imperial General Headquarters.
The document accepted the provisions of the Potsdam Declaration issued by the United States, Britain and China on July 26, 1945, and subsequently joined by the Soviet Union. It proclaimed the unconditional surrender of Japanese armed forces and forces under Japanese control wherever they were located.
Japan also agreed that its forces would cease hostilities and that Allied prisoners of war and civilian internees would be liberated. The authority of the emperor and Japanese government would become subject to the Supreme Commander for the Allied Powers.
General Douglas MacArthur then signed as Supreme Commander for the Allied Powers.
Fleet Admiral Chester W. Nimitz signed for the United States, followed by representatives of China, the United Kingdom, the Soviet Union, Australia, Canada, France, the Netherlands and New Zealand.
Canada was represented by Colonel Lawrence Moore Cosgrave. During the ceremony, Cosgrave accidentally signed on the wrong line of the Allied copy, shifting the placement of several signatures that followed. The mistake was corrected by hand rather than having the entire document signed again.
The ceremony carried layers of historical symbolism. A flag associated with Commodore Matthew Perry’s 1853 expedition to Japan was displayed aboard the Missouri, connecting the surrender to an earlier turning point in relations between Japan and the United States.
When the proceedings ended, formations of Allied aircraft passed over the battleship.
The war was formally over.
From Surrender to a New Japan
The signing came after a final summer of extraordinary violence.
Nazi Germany had surrendered in May 1945, ending the war in Europe, but fighting continued across the Pacific and Asia.
The United States dropped an atomic bomb on Hiroshima on August 6 and another on Nagasaki on August 9. The Soviet Union entered the war against Japan between those attacks, declaring war on August 8 and launching a massive offensive against Japanese forces in Manchuria.
Japan’s leadership remained divided over surrender until Emperor Hirohito intervened in favour of accepting the Potsdam terms, subject to the understanding surrounding the imperial institution. His recorded surrender announcement was broadcast at noon on August 15 in Japan, the first time most Japanese people had heard their emperor’s voice.
The formal surrender aboard the Missouri did not instantly resolve the enormous consequences of the conflict. Japanese forces remained scattered across a vast region, and additional surrender ceremonies took place in territories including Southeast Asia, Korea and the Philippines.
Millions of military personnel and civilians faced the process of returning home. Allied prisoners of war and civilian internees had to be located and freed. Cities and industries lay devastated across Japan and much of Asia.
The Allied occupation of Japan, led by MacArthur as Supreme Commander for the Allied Powers, began a sweeping transformation of the country. Japan adopted a new constitution that took effect in 1947, establishing a parliamentary system under which the emperor became the symbol of the state rather than a sovereign ruler. Article 9 renounced war as a sovereign right of the nation.
Occupation reforms also affected land ownership, education, labour and political institutions. Japan regained sovereignty in 1952 when the Treaty of Peace with Japan, commonly known as the San Francisco Peace Treaty, entered into force.
The surrender also left unresolved legacies across Asia. Japan’s wartime expansion had brought occupation, forced labour, atrocities and immense civilian suffering to numerous countries and territories. Questions of responsibility, remembrance and compensation continued long after the fighting stopped and remain sensitive in regional relations.
September 2, 1945, therefore marked both an ending and a beginning.
For the nations that had fought Japan, the ceremony represented victory after years of costly warfare. For Japan, it marked military defeat and the beginning of occupation and political reconstruction. Across Asia, it brought the collapse of the Japanese empire while accelerating political changes that would contribute to independence movements and new geopolitical struggles.
The Instrument of Surrender itself was remarkably brief. Its significance was not.
On the deck of a battleship in Tokyo Bay, representatives of former enemies signed their names to a document that closed the largest war in history, and opened a profoundly different international era.
Sources:
U.S. National Archives — Surrender of Japan (1945)
https://www.archives.gov/milestone-documents/surrender-of-japan
U.S. National Archives — Japan Surrenders
https://www.archives.gov/exhibits/featured-documents/japanese-surrender-document
U.S. National Archives — Japanese Instrument of Surrender
https://www.archives.gov/college-park/highlights/japanese-surrender
National Diet Library of Japan — Instrument of Surrender
https://www.ndl.go.jp/constitution/e/etc/c05.html
National Diet Library of Japan — Imperial Rescript on the Signing of the Instrument of Surrender
https://www.ndl.go.jp/constitution/e/shiryo/01/021shoshi.html
U.S. Naval History and Heritage Command — USS Missouri (BB-63)
https://www.history.navy.mil/content/history/nhhc/browse-by-topic/ships/modern-ships/uss-missouri.html
U.S. Naval History and Heritage Command — Tokyo Bay: The Formal Surrender of the Empire of Japan
https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/t/ships-present-in-tokyo-bay.html
U.S. Naval History and Heritage Command — Homeward Bound: World War II Ends in the Pacific
https://www.history.navy.mil/browse-by-topic/wars-conflicts-and-operations/world-war-ii/1945/victory-in-pacific/homeward-bound.html
About the Author
Brad Socha is the founder of The Universal Record, focused on sourced, factual global reporting. Coverage includes international news, geopolitics, technology, and major developments.