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Digital Archive International History Declassified


Collections contain selected sets of historical documents related to a specific topic, region, or event.

  • Sino-Soviet Split, 1960-1984

    After 1960, the division between China and the Soviet Union developed into an open split, fracturing the unity of the communist bloc.

  • Sino-US Ambassadorial Talks, 1955-1970

    The “Ambassadorial Talks" were a special mechanism for communications between the US and China from 1955-1970.

  • Sino-Vietnamese War, 1979

    The Sino-Vietnamese War was a brief but significant border war fought between two former socialist allies from February through March 1979.

  • South African Nuclear History

    Documents on the history of South African nuclear development.

  • South Korean Diplomacy in Asia, 1955-1957

    Culled from the papers of South Korean president Syngman Rhee, this collection documents South Korea's diplomacy in Asia in the mid- to late-1950s.

  • South Korean Nuclear History

    The South Korean nuclear program was one of Park Chung Hee's most controversial decisions, threatening the alliance with the United States.

  • Soviet Foreign Policy

    Documents on the international relations and foreign policy of the Soviet Union.

  • Soviet Invasion of Afghanistan

    In December 1979, the Soviet Union invaded Afghanistan in response to a revolt against the Soviet-backed government.

  • Soviet Invasion of Czechoslovakia

    The Prague Spring represented a moment of liberalism and democratization in Czechoslovakia. It ended with the Soviet invasion in August 1968.

  • Soviet Nuclear History

    Documents on the history of Soviet nuclear development.

  • Soviet Union and the Olympics

    The Soviet Union joined the International Olympic Committee only in 1951, but went on to dominate the games along with its rival, the United States.

  • Soviet Union-North Korea Relations

    The Soviet Union was one of North Korea's most important allies through the end of the Cold War, but relations were not always cordial.

  • Space Race

    Documents on the 20th-century competition for supremacy in spaceflight capacity between the United States and the Soviet Union.

  • Stalin and the Cold War

    Leader of the Soviet Union from 1922 until his death in 1953, this collection contain Stalin's own writings, conversations, and legacy.

  • Syngman Rhee Era

    A glimpse into the papers Sygnman Rhee, President of the Republic of Korea from 1948 through 1960.

  • Taiwan Strait Crises

    The Taiwan Strait Crises of 1954-1955 and 1958 were short, but climactic military confrontations.

  • Taiwan’s Cold War in Southeast Asia

    Documents on Taiwan's efforts to engage non-communist states in Southeast Asia in the 1970s and 1980s.

  • The "Second" Korean War, 1967-1969

    A series of military clashes taking place along the DMZ after 1967 threatened to engulf the Korean Peninsula in a new war.