History of the Cold War

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Cold War History

Origins of the Cold War

The Cold War emerged after World War II as the United States and the Soviet Union became rival superpowers with competing political, economic, and ideological systems. The United States promoted liberal democracy, capitalism, and a U.S.-led international order, while the Soviet Union expanded communist influence across Eastern Europe and supported revolutionary movements abroad. Early tensions grew from disputes over postwar Germany, atomic weapons, Soviet control of Eastern Europe, and the future of global security.

Key documents and policies helped define the early Cold War. George Kennan’s “Long Telegram” shaped the idea of containment, arguing that Soviet expansion should be resisted through steady political, economic, and military pressure. The Truman Doctrine committed the United States to supporting countries threatened by communism, while the Marshall Plan used economic aid to rebuild Western Europe and reduce the appeal of communist parties. The National Security Act of 1947 reorganized the U.S. government for long-term global competition by creating institutions such as the National Security Council, Department of Defense, and Central Intelligence Agency.

Containment, NATO, and Divided Europe

Containment became the central strategy of U.S. Cold War policy. Rather than directly attacking the Soviet Union, the United States sought to limit Soviet influence and strengthen allies. This strategy helped shape American involvement in Europe, Asia, Latin America, the Middle East, and Africa.

Europe became the first major Cold War battleground. Germany and Berlin were divided into zones controlled by the former Allied powers, and Berlin became a symbol of the larger division between East and West. The Berlin Airlift of 1948–1949 demonstrated Western resistance to Soviet pressure after the Soviet Union blockaded land routes into West Berlin. In 1949, the North Atlantic Treaty Organization was created as a collective-defense alliance linking the United States, Canada, and Western Europe. The Soviet Union later responded with the Warsaw Pact, creating a military alliance system that divided Europe for decades.

Eastern Europe remained under Soviet domination, and uprisings in Hungary in 1956 and Czechoslovakia in 1968 showed both the desire for reform and the limits of independence inside the Soviet sphere. The Berlin Wall, built in 1961, became the most visible symbol of Cold War division. Its fall in 1989 later marked the collapse of communist rule in Eastern Europe and the approaching end of the Cold War.

Nuclear Weapons, Arms Control, and the Threat of War

Nuclear weapons made the Cold War uniquely dangerous. After the United States used atomic bombs during World War II, the Soviet Union developed its own nuclear weapons, beginning an arms race that shaped global politics. Both superpowers built large arsenals of bombs, missiles, submarines, and delivery systems. The doctrine of deterrence rested on the belief that nuclear war could be prevented if each side knew that any attack would bring devastating retaliation.

The Cuban Missile Crisis of October 1962 was the most dangerous confrontation of the Cold War. After the Soviet Union placed nuclear missiles in Cuba, President John F. Kennedy ordered a naval quarantine and demanded their removal. The crisis ended through negotiation, but it revealed how close the world could come to nuclear war.

Arms-control efforts tried to reduce the danger. The Limited Test Ban Treaty restricted nuclear testing in the atmosphere, underwater, and outer space. The Nuclear Non-Proliferation Treaty sought to limit the spread of nuclear weapons. During détente, the Strategic Arms Limitation Talks produced agreements designed to stabilize the arms race. Later, the Intermediate-Range Nuclear Forces Treaty eliminated an entire class of U.S. and Soviet missiles, while START I marked a major step toward nuclear arms reduction near the end of the Cold War.

Proxy Wars and Global Cold War Conflicts

Although the United States and Soviet Union never fought each other directly in a full-scale war, Cold War rivalry produced many proxy conflicts. In Asia, the Korean War became the first major armed conflict of the Cold War, leaving Korea divided after an armistice in 1953. The Vietnam War later became one of the most significant and controversial Cold War conflicts, involving containment, anti-communism, Vietnamese nationalism, and large-scale U.S. military escalation.

China’s communist revolution in 1949 transformed the Cold War in Asia, while the later Sino-Soviet split complicated the idea of a simple two-sided global struggle. Nixon’s opening to China in 1972 reshaped diplomacy by creating a triangular balance among Washington, Moscow, and Beijing.

Cold War competition also spread across Latin America, Africa, the Middle East, and South Asia. The U.S.-backed overthrow of Jacobo Árbenz in Guatemala, the Bay of Pigs invasion, the Cuban Missile Crisis, Chile’s 1973 coup, the Congo crisis, the Angola conflict, the Iranian coup of 1953, the Suez Crisis, and the Soviet invasion of Afghanistan all reflected the global reach of superpower rivalry. In many regions, local struggles over independence, nationalism, land, ideology, and resources became entangled with Cold War strategy.

Détente, Diplomacy, and Human Rights

By the late 1960s and 1970s, the United States and Soviet Union entered a period known as détente, or reduced tensions. Détente did not end the Cold War, but it encouraged arms-control negotiations, summits, trade discussions, and diplomatic communication. The Strategic Arms Limitation Talks, the Anti-Ballistic Missile Treaty, and the Helsinki Final Act were central developments of this period.

The Helsinki Final Act recognized postwar European borders while also emphasizing human rights. Its human-rights language later became important for dissidents in Eastern Europe and the Soviet Union, who used it to criticize communist governments. During the Carter administration, human rights became a more visible part of U.S. foreign policy, though strategic Cold War concerns continued to shape relations with allies and adversaries.

Détente weakened after events such as the Soviet invasion of Afghanistan in 1979, renewed arms competition, and rising tensions in the early 1980s. The Carter Doctrine signaled that the United States would defend its interests in the Persian Gulf, while the Reagan administration adopted a more confrontational tone toward the Soviet Union before later entering major negotiations with Mikhail Gorbachev.

Espionage, Propaganda, Culture, and the Space Race

The Cold War was fought not only through armies and alliances but also through spies, propaganda, technology, culture, and public opinion. Intelligence agencies such as the CIA and KGB gathered information, conducted covert operations, and influenced events abroad. Incidents such as the U-2 spy plane crisis showed how espionage could disrupt diplomacy.

Inside the United States, anti-communist fear shaped domestic politics through loyalty investigations, the House Un-American Activities Committee, the Red Scare, and McCarthyism. These campaigns affected civil liberties, careers, political debate, and popular culture.

The Cold War also became a contest over ideas and prestige. Radio Free Europe and Radio Liberty broadcast into communist countries. Cultural diplomacy, exhibitions, films, music, sports, and consumer goods were used to show the advantages of each system. The 1959 Kitchen Debate between Richard Nixon and Nikita Khrushchev highlighted how everyday life and consumer culture became part of ideological rivalry.

The space race was another major arena of competition. The Soviet launch of Sputnik shocked the United States and intensified investment in science, education, rockets, and space exploration. NASA’s Apollo program and the moon landing became symbols of American technological achievement, while the Apollo-Soyuz Test Project later reflected the possibility of cooperation during détente.

The End of the Cold War

The Cold War ended through a combination of internal Soviet weakness, reform, diplomacy, public protest, and political change in Eastern Europe. Mikhail Gorbachev introduced glasnost, or openness, and perestroika, or restructuring, in an effort to reform the Soviet system. These reforms loosened censorship, encouraged public criticism, and exposed deep economic and political problems.

In Eastern Europe, movements such as Poland’s Solidarity challenged communist rule. In 1989, revolutions across the region brought down communist governments. The Berlin Wall fell in November 1989, becoming the most powerful symbol of the Cold War’s collapse. In 1991, the Soviet Union dissolved, ending the superpower rivalry that had shaped world politics for more than four decades.

The Cold War’s legacy remains significant. It shaped NATO, nuclear strategy, intelligence agencies, U.S. foreign policy, international institutions, military alliances, space technology, human-rights movements, and conflicts across the Global South. Its effects continue to influence debates about democracy, authoritarianism, nuclear weapons, global security, and relations between Russia, Europe, China, and the United States.

Conclusion

The Cold War was a global struggle that shaped the second half of the twentieth century. It began in the aftermath of World War II, hardened through containment, NATO, divided Europe, and nuclear competition, and expanded through proxy wars across Asia, Latin America, Africa, and the Middle East. It also influenced culture, science, espionage, civil defense, human rights, and everyday life. Although the Cold War ended with the fall of the Berlin Wall and the collapse of the Soviet Union, its institutions, fears, alliances, and unresolved conflicts continue to affect world politics today.

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Cold War International History Project

| Wilson Center | Wilson Center | n.d.

This project collects international Cold War scholarship and declassified documents from archives around the world, broadening the history beyond U.S.-Soviet sources.

Cold War Wilson Center Digital Archive

| Wilson Center | Wilson Center Digital Archive | n.d.

This archive provides translated declassified documents from governments and organizations involved in the Cold War, making international sources available for research.

Soviet Union

| History.com Editors | HISTORY | n.d.

This article gives background on the Soviet state, including its ideology, expansion, Cold War rivalry, and eventual dissolution.

The Cold War Museum

| The Cold War Museum | Cold War Museum | n.d.

This museum site provides educational resources, exhibits, and timelines covering Cold War events, technology, diplomacy, espionage, and everyday life.

The Cold War Timeline

| History on the Net | History on the Net | n.d.

This timeline gives a broad chronological overview of Cold War events from World War II’s aftermath to the fall of the Soviet Union.

The Long Telegram

| National Security Archive | George Washington University | February 22, 1946

This primary source is George Kennan’s famous telegram explaining Soviet behavior and helping shape the containment strategy.

The Acheson-Lilienthal and Baruch Plans, 1946

| U.S. Department of State | Office of the Historian | n.d.

This article covers early attempts to place atomic energy under international control and explains why U.S.-Soviet mistrust helped doom nuclear cooperation.

Atomic Diplomacy

| U.S. Department of State | Office of the Historian | n.d.

This article explains how nuclear weapons shaped early Cold War diplomacy, especially the uneasy postwar relationship between the United States and the Soviet Union.

Background Essay: The Marshall Plan and the Cold War

| Harry S. Truman Presidential Library | Truman Library | n.d.

This classroom essay explains the Marshall Plan as both a humanitarian recovery program and a Cold War strategy to stabilize Western Europe against Soviet influence.

Ideological Foundations of the Cold War

| Harry S. Truman Presidential Library | Truman Library | n.d.

This online collection traces the ideological conflict between communism and liberal democracy through speeches, documents, and early Cold War policy materials.

Kennan and Containment, 1947

| U.S. Department of State | Office of the Historian | n.d.

This article explains George Kennan’s containment strategy, which became the guiding framework for U.S. policy toward the Soviet Union.

Marshall Plan, 1948

| U.S. Department of State | Office of the Historian | n.d.

This article explains how U.S. economic aid helped rebuild Western Europe while also limiting the appeal of communism and tying Europe to the American-led order.

National Security Act of 1947

| U.S. Department of State | Office of the Historian | n.d.

This article explains the creation of the National Security Council, Department of Defense, and CIA, showing how the U.S. government reorganized for the Cold War.

NSC-68, 1950

| U.S. Department of State | Office of the Historian | n.d.

This article explains the influential national security report that called for a major U.S. military buildup to contain the Soviet Union.

The Origins of the Cold War

| Harry S. Truman Presidential Library | Truman Library | n.d.

This Truman Library exhibit page explains the origins of the Cold War through the Berlin Airlift, Truman Doctrine, Marshall Plan, NATO, and the early U.S.-Soviet split.

The Truman Doctrine and the Marshall Plan

| U.S. Department of State | Office of the Historian | n.d.

This short history explains how the Truman Doctrine and Marshall Plan transformed U.S. foreign policy after World War II and committed the United States to resisting Soviet influence.

Tear Down This Wall Speech

| Ronald Reagan Presidential Library and Museum | Reagan Library | June 12, 1987

This speech at the Brandenburg Gate challenged Gorbachev to remove the Berlin Wall and became a symbolic moment in the late Cold War.

A City Divided: Life and Death in the Shadow of the Wall

| National Archives | National Archives and Records Administration | January 14, 2014

This National Archives publication uses documents and images to examine the Berlin Wall, divided Berlin, and Cold War life near the border.

The Berlin Crisis, 1958–1962

| National Security Archive | George Washington University | November 10, 2011

This briefing book uses declassified documents to explain the Berlin crisis, nuclear threats, and superpower diplomacy before and after the Wall’s construction.

NATO’s Founding Treaty

| NATO | NATO | April 4, 1949

This primary source is the North Atlantic Treaty, the document that created NATO and formalized collective defense against Soviet pressure.

The Berlin Airlift, 1948–1949

| U.S. Department of State | Office of the Historian | n.d.

This article covers the Berlin Airlift as an early Cold War test of American resolve, Allied cooperation, and Soviet pressure in divided Germany.

Berlin Airlift

| Harry S. Truman Presidential Library | Truman Library | n.d.

This educational resource explains the Berlin Airlift’s importance in world politics and its role in shaping early Cold War confrontation.

Berlin Wall: What Was It and Why Was It Built?

| Imperial War Museums | Imperial War Museums | n.d.

This article explains why East Germany built the Berlin Wall and how it became a defining symbol of Cold War division.

Cold War International History Conference: Paper by Hope Harrison

| National Archives | National Archives and Records Administration | n.d.

This paper analyzes the Berlin Wall and broader Cold War crises using international evidence, including Soviet, East German, Chinese, and U.S. perspectives.

Cold War: Summary, Combatants, Start and End

| Imperial War Museums | Imperial War Museums | n.d.

This article explains the Cold War’s causes, major conflicts, nuclear dangers, espionage, propaganda, and eventual conclusion.

Helsinki Final Act, 1975

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Helsinki Accords and their importance for détente, European borders, human rights, and later dissident movements in the Soviet bloc.

Iron Curtain Speech

| National Churchill Museum | National Churchill Museum | n.d.

This page presents Churchill’s 1946 “Iron Curtain” speech, one of the defining public statements of the emerging Cold War.

NATO and the Cold War

| NATO | NATO Declassified | n.d.

This NATO resource explains the alliance’s Cold War role, including deterrence, defense planning, European security, and confrontation with the Warsaw Pact.

North Atlantic Treaty Organization, 1949

| U.S. Department of State | Office of the Historian | n.d.

This article explains the creation of NATO as a military alliance linking the United States, Canada, and Western Europe against Soviet power.

Soviet Invasion of Czechoslovakia, 1968

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Warsaw Pact invasion that crushed the Prague Spring and demonstrated Soviet control over Eastern Europe.

The American National Exhibition in Moscow

| National Archives | Prologue Magazine | Summer 2009

This article explains the 1959 Moscow exhibition and the Kitchen Debate as examples of cultural diplomacy during the Cold War.

The Berlin Wall

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the construction, function, symbolism, and fall of the Berlin Wall in the wider history of the Cold War.

The Berlin Wall

| History.com Editors | HISTORY | n.d.

This article explains why the Berlin Wall was built, how it shaped Cold War politics, and why its fall became a symbol of communist collapse.

The Berlin Wall: A Secret History

| National Archives | National Archives and Records Administration | n.d.

This National Archives collection explores Berlin Wall records from 1962 to 1987, showing how the wall shaped diplomacy, surveillance, and daily life.

The Blockade of Berlin

| Harry S. Truman Presidential Library | Truman Library | n.d.

This article explains the Soviet blockade of West Berlin and Truman’s decision to maintain the Western presence through a massive airlift.

The Cold War

| John F. Kennedy Presidential Library and Museum | JFK Library | June 18, 2026

This overview explains the Cold War as a global contest between the United States and the Soviet Union, with special attention to Berlin, Cuba, nuclear weapons, and Kennedy’s foreign policy.

The Cold War in 10 Photographs

| Imperial War Museums | Imperial War Museums | n.d.

This visual article uses photographs to explain key Cold War themes, including nuclear fear, divided Europe, proxy wars, and protest.

The Cold War in Berlin

| John F. Kennedy Presidential Library and Museum | JFK Library | June 18, 2026

This article focuses on Berlin as a central Cold War flashpoint, covering the postwar division of the city, Soviet pressure, the Berlin Wall, and Kennedy’s response.

The Fall of the Berlin Wall

| National WWII Museum | National WWII Museum | n.d.

This article explains the fall of the Berlin Wall as a turning point in the collapse of communist rule in Eastern Europe and the end of the Cold War.

The Helsinki Final Act

| Organization for Security and Co-operation in Europe | OSCE | n.d.

This page provides the text and context of the Helsinki Final Act, linking Cold War security, European borders, cooperation, and human rights.

The Hungarian Revolution, 1956

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Hungarian uprising against Soviet domination and the limits of Western support for revolts inside the Soviet sphere.

The Kitchen Debate

| Richard Nixon Presidential Library and Museum | Nixon Library | n.d.

This article explains the famous 1959 Nixon-Khrushchev exchange in Moscow and how consumer culture became part of Cold War ideological rivalry.

The Warsaw Pact

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the Soviet-led military alliance in Eastern Europe and its function as NATO’s Cold War counterpart.

The Warsaw Treaty Organization, 1955

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Soviet-led Warsaw Pact as a military response to NATO and West Germany’s integration into the Western alliance.

Foreign Policy Table: Ford Presidency Cold War Highlights

| Gerald R. Ford Presidential Library and Museum | Ford Library Museum | July 2024

This museum guide summarizes Cold War foreign policy episodes during Ford’s presidency, including Helsinki, Angola, Vietnam’s end, Mayaguez, and U.S.-Soviet diplomacy.

Brush with Catastrophe: The Day the U.S. Almost Nuked Itself

| National Archives | Pieces of History | October 25, 2017

This article tells the story of a Cold War nuclear accident involving a U.S. B-52 and shows how close nuclear danger could come outside direct combat.

The Able Archer 83 Sourcebook

| National Security Archive | George Washington University | November 7, 2013

This sourcebook explains the 1983 NATO exercise Able Archer and the risk that Soviet leaders might misread it as preparation for nuclear war.

Duck and Cover

| Federal Civil Defense Administration | Library of Congress | 1951

This Cold War civil defense film shows how American schoolchildren were taught to respond to nuclear attack during the early atomic age.

Apollo-Soyuz Test Project

| NASA | NASA | n.d.

This article explains the 1975 U.S.-Soviet space mission that symbolized détente after years of intense space-race rivalry.

Détente and Arms Control, 1969–1979

| U.S. Department of State | Office of the Historian | n.d.

This article explains the period of reduced U.S.-Soviet tensions known as détente, including arms control, diplomacy, and limits on confrontation.

Strategic Arms Limitation Talks and Treaties, SALT I and II

| U.S. Department of State | Office of the Historian | n.d.

This article explains SALT I, SALT II, the ABM Treaty, and the attempt to stabilize the nuclear arms race through negotiated limits.

Strategic Arms Reduction Treaty, START I

| U.S. Department of State | U.S. Department of State | n.d.

This treaty page provides background on START I, the major U.S.-Soviet nuclear arms reduction treaty signed as the Cold War was ending.

The Arms Race

| History.com Editors | HISTORY | n.d.

This article explains the nuclear arms race between the United States and Soviet Union and how deterrence, missiles, and fear shaped Cold War policy.

The Carter Doctrine and the Persian Gulf

| U.S. Department of State | Office of the Historian | n.d.

This article explains Carter’s declaration that the United States would defend Persian Gulf interests after the Soviet invasion of Afghanistan and regional instability.

The Cold War and Civil Defense

| National Archives | National Archives and Records Administration | n.d.

This exhibit material documents Cold War civil defense culture, including public preparation for nuclear attack and the fear of atomic war.

The Cold War and the Nuclear Threat

| Imperial War Museums | Imperial War Museums | n.d.

This article explains nuclear deterrence, civil defense, arms competition, and public fear during the Cold War.

The Cuban Missile Crisis

| History.com Editors | HISTORY | n.d.

This article summarizes the 1962 confrontation over Soviet missiles in Cuba and the negotiations that ended the crisis.

The Cuban Missile Crisis, October 1962

| U.S. Department of State | Office of the Historian | n.d.

This article explains the thirteen-day nuclear crisis over Soviet missiles in Cuba and the diplomacy that prevented war.

The INF Treaty

| U.S. Department of State | U.S. Department of State | n.d.

This treaty page provides the text and background of the Intermediate-Range Nuclear Forces Treaty, a landmark late Cold War arms-control agreement.

The Intermediate-Range Nuclear Forces Treaty

| Ronald Reagan Presidential Library and Museum | Reagan Library | n.d.

This guide explains the 1987 INF Treaty, the first agreement to eliminate an entire class of U.S. and Soviet nuclear missiles.

The Limited Test Ban Treaty, 1963

| U.S. Department of State | Office of the Historian | n.d.

This article explains the treaty banning nuclear tests in the atmosphere, outer space, and underwater, showing an early step toward arms control.

The Nuclear Non-Proliferation Treaty, 1968

| U.S. Department of State | Office of the Historian | n.d.

This article explains the treaty designed to limit the spread of nuclear weapons while preserving a system of nuclear-armed powers.

The Strategic Defense Initiative

| Ronald Reagan Presidential Library and Museum | Reagan Library | n.d.

This guide explains Reagan’s proposed missile-defense system and why SDI became a major issue in late Cold War arms-control negotiations.

Treaty on the Non-Proliferation of Nuclear Weapons

| United Nations Office for Disarmament Affairs | United Nations | n.d.

This page explains the NPT, a central Cold War-era treaty designed to prevent the spread of nuclear weapons and support peaceful nuclear cooperation.

The Chinese Revolution of 1949

| U.S. Department of State | Office of the Historian | n.d.

This article explains the communist victory in China and its effect on American fears about the spread of communism in Asia.

Cold Conflict

| National WWII Museum | National WWII Museum | n.d.

This article explains how World War II’s aftermath created the conditions for Cold War rivalry, including proxy wars in Korea and Vietnam and the militarization of global politics.

Korean War

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the Korean War’s causes, major phases, international intervention, armistice, and Cold War significance.

Korean War

| History.com Editors | HISTORY | n.d.

This article explains the Korean War as the first major armed conflict of the Cold War and the origin of the still-divided Korean Peninsula.

Korean War and Japan’s Recovery

| U.S. Department of State | Office of the Historian | n.d.

This article explains how the Korean War accelerated Japan’s economic recovery and strengthened its place in the U.S.-led Cold War system.

Occupation and Reconstruction of Japan, 1945–1952

| U.S. Department of State | Office of the Historian | n.d.

This article explains how Japan’s reconstruction became part of the American Cold War strategy in Asia.

Rapprochement with China, 1972

| U.S. Department of State | Office of the Historian | n.d.

This article explains Nixon’s opening to China and how U.S.-Chinese rapprochement reshaped the triangular Cold War balance among Washington, Beijing, and Moscow.

Records Relating to American Prisoners of War and Missing-in-Action Personnel

| National Archives | National Archives and Records Administration | n.d.

This research page helps document Cold War-era POW and MIA issues, especially from the Korean War and related military records.

Sino-Soviet Split

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the breakdown between China and the Soviet Union and how it changed the Cold War from a bipolar conflict into a more complex triangular rivalry.

Southeast Asia Treaty Organization, 1954

| U.S. Department of State | Office of the Historian | n.d.

This article explains the formation of SEATO and the American effort to build anti-communist alliances in Southeast Asia.

The Korean War

| Harry S. Truman Presidential Library | Truman Library | n.d.

This Truman Library resource explains the Korean War, the decision to intervene under the United Nations, and the Cold War stakes of the conflict.

The Korean War, 1950–1953

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Korean War as a major Cold War conflict involving North Korea, South Korea, China, the United States, and the United Nations.

The Korean War Armistice

| U.S. Department of State | Office of the Historian | n.d.

This article explains the armistice that ended open fighting in Korea while leaving the peninsula divided and militarized.

The Laos Crisis, 1960–1963

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Cold War struggle over Laos and Kennedy’s decision to pursue neutrality rather than direct U.S. military intervention.

U.S. Involvement in the Vietnam War: The Gulf of Tonkin and Escalation, 1964

| U.S. Department of State | Office of the Historian | n.d.

This article explains how the Gulf of Tonkin incident and congressional resolution expanded U.S. military involvement in Vietnam.

U.S. Involvement in the Vietnam War: The Tet Offensive, 1968

| U.S. Department of State | Office of the Historian | n.d.

This article explains how the Tet Offensive changed American public opinion and altered the course of U.S. policy in Vietnam.

Vietnam War

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the Vietnam War’s origins, escalation, combat, diplomacy, and consequences within the Cold War.

Vietnam War

| History.com Editors | HISTORY | n.d.

This article explains the Vietnam War as a major Cold War conflict involving containment, anti-communism, Vietnamese nationalism, and U.S. military escalation.

The Bay of Pigs

| John F. Kennedy Presidential Library and Museum | JFK Library | April 17, 2026

This article explains the failed 1961 U.S.-backed invasion of Cuba, its roots in anti-Castro policy, and its effect on Kennedy’s presidency and Cold War tensions.

The Soviet Invasion of Afghanistan

| National Security Archive | George Washington University | December 24, 2019

This briefing book uses declassified records to examine the Soviet decision to invade Afghanistan and the Cold War consequences of that war.

The Cuban Missile Crisis, 1962

| National Security Archive | George Washington University | October 16, 2012

This briefing book collects declassified documents on the Cuban Missile Crisis and explains the decisions that brought the world close to nuclear war.

The Cuban Missile Crisis and the National Archives

| National Archives | Prologue Magazine | Fall 2002

This article uses archival records to explain the Cuban Missile Crisis and the military, diplomatic, and presidential decisions surrounding the confrontation.

Alliance for Progress and Peace Corps, 1961–1969

| U.S. Department of State | Office of the Historian | n.d.

This article explains Kennedy’s development programs in Latin America and the Global South as Cold War tools for countering revolutionary movements.

Cuban Missile Crisis

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the 1962 missile crisis, including Soviet missile deployment, Kennedy’s quarantine, and the settlement that ended the standoff.

Cuban Missile Crisis

| John F. Kennedy Presidential Library and Museum | JFK Library | n.d.

This article gives a detailed overview of the 1962 missile crisis, including U-2 surveillance, the naval quarantine, secret diplomacy, and Kennedy’s decision-making.

Guatemala, 1954

| U.S. Department of State | Office of the Historian | n.d.

This article explains the U.S.-backed overthrow of Guatemala’s Jacobo Árbenz and the role of anti-communism in Cold War policy toward Latin America.

The Allende Years and the Pinochet Coup, 1969–1973

| U.S. Department of State | Office of the Historian | n.d.

This article explains Chile’s Cold War politics, U.S. opposition to Salvador Allende, and the 1973 coup that brought Augusto Pinochet to power.

The Bay of Pigs Invasion and Its Aftermath, April 1961–October 1962

| U.S. Department of State | Office of the Historian | n.d.

This article explains the failed exile invasion of Cuba, the Kennedy administration’s role, and the operation’s consequences for later U.S.-Cuban tensions.

The Panama Canal and the Cold War

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Panama Canal treaties and how Latin American nationalism, U.S. influence, and Cold War concerns shaped the negotiations.

The Angola Crisis, 1974–1975

| U.S. Department of State | Office of the Historian | n.d.

This article explains Angola’s civil war as a Cold War conflict involving the MPLA, FNLA, UNITA, the United States, the Soviet Union, Cuba, South Africa, and Zaire.

The Bandung Conference, 1955

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Afro-Asian conference that helped shape nonalignment and challenged the bipolar U.S.-Soviet Cold War framework.

The Cold War and the Third World

| Encyclopaedia Britannica | Britannica | n.d.

This article explains how Cold War competition spread across Asia, Africa, Latin America, and the Middle East through proxy wars, aid, coups, and alliances.

The Congo, Decolonization, and the Cold War, 1960–1965

| U.S. Department of State | Office of the Historian | n.d.

This article explains how the Congo crisis became a Cold War battleground after decolonization, drawing in the United Nations, the United States, and the Soviet Union.

The Eisenhower Doctrine, 1957

| U.S. Department of State | Office of the Historian | n.d.

This article explains Eisenhower’s pledge to aid Middle Eastern countries resisting communism and Soviet influence.

The Iranian Coup, 1953

| U.S. Department of State | Office of the Historian | n.d.

This article explains the overthrow of Mohammad Mosaddegh and places U.S. and British intervention in Iran within the wider Cold War struggle.

The South Asia Crisis and the Founding of Bangladesh, 1971

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Bangladesh crisis and how Cold War alignments shaped U.S., Soviet, Indian, Pakistani, and Chinese policy.

The Soviet Invasion of Afghanistan, 1979

| U.S. Department of State | Office of the Historian | n.d.

This article explains the Soviet invasion of Afghanistan, the U.S. response, and the collapse of détente at the end of the 1970s.

The Suez Crisis, 1956

| U.S. Department of State | Office of the Historian | n.d.

This article explains how the Suez Crisis exposed tensions among Western allies and showed the growing influence of Cold War superpower politics in the Middle East.

Presidential Years

| Dwight D. Eisenhower Presidential Library | Eisenhower Presidential Library | January 12, 2026

This overview of Eisenhower’s presidency places his administration in the context of Cold War crises, nuclear deterrence, Korea, Sputnik, and U.S.-Soviet rivalry.

The 1973 Arab-Israeli War

| U.S. Department of State | Office of the Historian | n.d.

This article explains how the Yom Kippur War created a Cold War crisis involving U.S. support for Israel, Soviet support for Arab allies, and nuclear-alert diplomacy.

Camp David Accords and the Arab-Israeli Peace Process

| U.S. Department of State | Office of the Historian | n.d.

This article explains Carter’s Middle East diplomacy in a Cold War context where regional conflicts often intersected with U.S.-Soviet rivalry.

Human Rights and Foreign Policy

| U.S. Department of State | Office of the Historian | n.d.

This article explains Carter’s emphasis on human rights and its effect on Cold War relations with authoritarian allies and communist states.

The Cold War and the Space Race

| NASA | NASA | n.d.

This NASA history page explains how Cold War rivalry drove the race to develop rockets, launch satellites, and send humans into space.

The Space Race

| History.com Editors | HISTORY | n.d.

This article explains the Cold War competition in space, including Sputnik, NASA, Yuri Gagarin, Apollo, and the prestige politics of technological rivalry.

U.S. Presidents During the Cold War

| Nixon Foundation | Nixon Foundation | July 13, 2022

This article surveys the presidents who led the United States during the Cold War and explains how their policies shaped confrontation, containment, détente, and arms control.

CIA Analysis of the Soviet Union, 1947–1991

| National Security Archive | George Washington University | March 1, 2001

This briefing book collects declassified CIA assessments of the Soviet Union across the Cold War, showing how U.S. intelligence interpreted Soviet power.

Cold War Espionage

| Imperial War Museums | Imperial War Museums | n.d.

This article explains the role of spies, intelligence agencies, defections, and surveillance in the Cold War struggle.

Cold War Intelligence

| Central Intelligence Agency | CIA Reading Room | n.d.

This CIA Reading Room collection provides declassified intelligence documents related to Cold War strategy, crises, espionage, and policymaking.

House Un-American Activities Committee

| History.com Editors | HISTORY | n.d.

This article explains HUAC’s investigations into alleged communist influence and its role in the domestic Cold War.

McCarthyism

| History.com Editors | HISTORY | n.d.

This article explains Senator Joseph McCarthy’s anti-communist campaign and how Cold War fear affected civil liberties, politics, and public life.

Radio Free Europe and Radio Liberty

| Radio Free Europe/Radio Liberty | RFE/RL | n.d.

This page explains the history of U.S.-backed broadcasting into communist countries and its role in Cold War information politics.

Revelations from the Russian Archives: The Soviet Union and the United States

| Library of Congress | Library of Congress | n.d.

This Library of Congress exhibit uses Russian archival materials to examine Soviet history, ideology, foreign policy, and relations with the United States.

The Cultural Cold War

| National Archives | National Archives and Records Administration | n.d.

This bibliography includes scholarship on cultural Cold War subjects, including Korea, propaganda, military records, and U.S. public diplomacy.

The Red Scare

| History.com Editors | HISTORY | n.d.

This article explains anti-communist fear in the United States, including loyalty investigations, McCarthyism, and domestic politics during the Cold War.

The U-2 Spy Plane Incident

| U.S. Department of State | Office of the Historian | n.d.

This article explains the 1960 downing of Francis Gary Powers’s U-2 spy plane and the collapse of a planned U.S.-Soviet summit.

United States Information Agency

| National Archives | National Archives and Records Administration | n.d.

This records guide explains the U.S. Information Agency’s Cold War public diplomacy work, including broadcasting, cultural programs, and propaganda.

The 1983 War Scare

| National Security Archive | George Washington University | November 5, 2018

This article explains the 1983 nuclear war scare and uses declassified documents to show how misperception and military exercises increased danger.

Moscow Summit 1988

| Ronald Reagan Presidential Library and Museum | Reagan Library | June 1, 1988

This document relates to Reagan’s 1988 Moscow summit with Gorbachev and the entry into force of the INF Treaty.

The Evil Empire Speech

| Ronald Reagan Presidential Library and Museum | Reagan Library | March 8, 1983

This speech became one of Reagan’s most famous Cold War statements, framing the Soviet Union as a moral and ideological adversary.

Collapse of the Soviet Union

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the final crisis of the Soviet Union, including nationalism, economic decline, Gorbachev’s reforms, and the 1991 breakup.

Détente

| Encyclopaedia Britannica | Britannica | n.d.

This article explains détente as a period of reduced Cold War tension marked by arms control, diplomacy, and increased superpower communication.

Fall of the Soviet Union

| History.com Editors | HISTORY | n.d.

This article explains the political, economic, and nationalist pressures that led to the Soviet Union’s collapse in 1991.

Folder 17 Gorbachev Visit, Washington Summit

| Ronald Reagan Presidential Library and Museum | Reagan Library | n.d.

This Reagan Library document captures Cold War debate over arms control, U.S.-Soviet tensions, SDI, and the politics surrounding Gorbachev’s visit.

Glasnost

| Encyclopaedia Britannica | Britannica | n.d.

This article explains Gorbachev’s policy of openness and how it loosened censorship, encouraged criticism, and weakened the Soviet system.

Perestroika

| Encyclopaedia Britannica | Britannica | n.d.

This article explains Gorbachev’s reform program and how economic and political restructuring contributed to the end of Soviet power.

Solidarity

| Encyclopaedia Britannica | Britannica | n.d.

This article explains Poland’s Solidarity movement and its role in challenging communist rule before the collapse of the Soviet bloc.

The End of the Cold War

| Imperial War Museums | Imperial War Museums | n.d.

This article explains how reforms in the Soviet Union, revolutions in Eastern Europe, arms-control diplomacy, and economic pressures helped end the Cold War.

The Reagan Presidency

| Ronald Reagan Presidential Library and Museum | Reagan Library | n.d.

This article summarizes Reagan’s presidency, including military buildup, anti-communist rhetoric, SDI, and negotiations with Mikhail Gorbachev.

The Revolutions of 1989

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the democratic uprisings that overthrew communist regimes in Eastern Europe and accelerated the end of the Cold War.

The Romanian Revolution of 1989

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the violent overthrow of Nicolae Ceaușescu and the collapse of communist rule in Romania.

The Velvet Revolution

| Encyclopaedia Britannica | Britannica | n.d.

This article explains the peaceful 1989 revolution in Czechoslovakia that ended communist rule during the final phase of the Cold War.