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New Documents Released (Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes / Series B’ Treaties, Agreements, International Conferences and International Organizations) December 23, 2025

【Online Publication Date】 December 23

　

【Document Summary】

Organization:	Diplomatic Archives of the Ministry of Foreign Affairs
Series Title:	Postwar Diplomatic Records

　

【Hierarchy】

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 0 > Item 0 (*)
  →Eighteen volumes (thirty-two items) of internal reports compiled by the Asia Bureau on Japan’s postwar diplomacy in Asia—including monthly work reports and progress summaries—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 1: Research Study > Item 0 (*)
  →Thirty-nine volumes (four hundred three items) of research materials and reports prepared by the Ministry of Foreign Affairs on Japan’s foreign policy—including documents related to the Foreign Policy Planning Committee—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 2: With Asian and Middle Eastern Nations > Item 1: Asia (*)
  →Nine volumes (thirty-nine items) of records concerning diplomacy between Japan and Korea—including “Japan–Korea Diplomatic Relations: History of Normalization Negotiations, ‘Negotiation History Materials,’ Vol. 1”—as well as between Japan and the Republic of China, the Democratic Republic of Vietnam, North Korea, and Mongolia have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 3: With Western and African Nations > Item 1: Members of the British Commonwealth of Nations (*)
  →Thirty-nine volumes (three hundred seventy-eight items) of records documenting diplomatic relations between Japan and Commonwealth countries—including the United Kingdom, Australia, India, New Zealand, and the Federation of Malaya—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 3: With Western and African Nations > Item 2: France (French Union, French Community) (*)
  →Thirteen volumes (one hundred items) of records concerning Japan-France diplomatic relations—including materials on regular consultations—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 3: With Western and African Nations > Item 3: Soviet Bloc
  →Three volumes (six items) of records concerning Japan-Soviet diplomatic relations—including work reports—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 4: With American Nations > Item 1: United States (*)
  →Eight volumes (eighty-six items) of records concerning Japan-U.S. diplomatic relations—including meeting records of Shigemitsu and Allison—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 5: Visits to Foreign Nations by Prominent Japanese > Item 0 (*)
  →Two volumes (eleven items) of records concerning visits by Japanese special envoys and goodwill missions to foreign countries—including materials on Special Envoy Shirasu Jiro —have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 5: Visits to Foreign Nations by Prominent Japanese > Item 1: Asia-Pacific Nations (by region) (*)
  →Thirty-nine volumes (two hundred ninety items) of records concerning visits to Asia-Pacific countries by Japanese dignitaries—including Foreign Minister Fujiyama and Prime Ministers Ikeda and Sato—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 5: Visits to Foreign Nations by Prominent Japanese > Item 2: The Americas (by region) (*)
  →Eleven volumes (eighty-one items) of records concerning visits to the United States and Canada by Japanese dignitaries—including Finance Minister Sato and Prime Minister Ikeda—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 6: Visits to Japan by Foreign Heads of State and Prominent Persons > Item 1: Persons from Asian Nations (*)
  →Twenty-four volumes (two hundred fifty-seven items) of records concerning visits to Japan by Asian presidents—including materials on President Sukarno of Indonesia—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 1: Japanese Diplomacy > Section 6: Visits to Japan by Foreign Heads of State and Prominent Persons > Item 4: Persons from British Commonwealth Nations (*)
  →Sixty-five volumes (six hundred sixty-seven items) of records concerning visits to Japan by dignitaries from Commonwealth countries—including India, Australia, Canada, and Pakistan—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 2: Foreign Diplomacy, International Politics > Section 2: Diplomacy with Foreign Countries > Item 0 (*)
  →One volume (one item) of records concerning diplomacy between the United Kingdom and China from 1954 to 1966 has been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 3: Domestic Administration > Section 0 > Item 0 (*)
  →Two volumes (seventeen items) titled “Miscellaneous Matters on the Situation of the Southwestern Islands under U.S. Administration – Okinawa-related – Security Issues Study Group” (covering the years 1970 – 1971) have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 4: Domestic Affairs and Conditions in Foreign Countries > Section 1: Asian and Middle Eastern Nations > Item 2: Republic of Korea (includes Democratic People’s Republic of Korea) (*)
  →One volume (four items) of records concerning North-South Korean issues from 1972 to 1973 and 1976 has been newly released. These materials reflect Japan’s monitoring of inter-Korean relations during the Cold War.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 4: Domestic Affairs and Conditions in Foreign Countries > Section 3: European and African Nations > Item 1: British Commonwealth of Nations (*)
  →One volume (three items) titled “British Colonial Circumstances: Department of Hong Kong” has been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 7: International Conflict > Section 1: War > Item 0 (*)
  →Eleven volumes (sixty-two items) of records concerning the Korean War—including operational progress reports—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series A’ Politics, Diplomacy and International Disputes > Category 7: International Conflict > Section 2: Conflict, Dispute > Item 0 (*)
  →Ten volumes (seventy-three items) of records concerning World War II—including damage investigations and U.S. Strategic Bombing Survey reports—have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series B’ Treaties, Agreements, International Conferences and International Organizations > Category 1: International Administrative Authorities > Section 1: Japan-Focused > Item 0 (*)
  →Seven volumes (fourteen items) containing the meeting minutes of the Far Eastern Commission—from the 1st to the 222nd session—which issued recommendations and decisions on Japan’s occupation policy have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series B’ Treaties, Agreements, International Conferences and International Organizations > Category 3: Reparations > Section 1: Japan > Item 3: Quasi-Reparations (*)
  →Eight volumes (eighty-one items) of records concerning the Japan-Singapore Compensation Agreement signed on September 21, 1967 have been newly released.

　

• Diplomatic Archives of the Ministry of Foreign Affairs > Postwar Diplomatic Records > Series B’ Treaties, Agreements, International Conferences and International Organizations > Category 4: Peace Conferences and Treaties > Section 0 > Item 0 (*)
  →Four volumes (one hundred twenty-two items) of records concerning the Treaty of Peace with Japan (San Francisco Peace Treaty)—including materials on the first visit of John Foster Dulles—have been newly released.

　

“Hierarchy” levels marked with (*) indicate a collection of records that is already partially public but for which certain volumes and documents (reference codes starting with B2509xxxxxxx) have been newly released.