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A meeting held in Potsdam, Germany, attended by leaders of the Allied nations: Harry S. Truman (USA), Winston Churchill/Clement Attlee (UK), and Joseph Stalin (USSR). The conference aimed to negotiate terms for the end of World War II and address post-war reorganization, including the administration of defeated Germany.

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A period of intense anti-communist suspicion in the United States, characterized by Senator Joseph McCarthy’s aggressive investigations and accusations of communist subversion in government and other institutions. It led to widespread fear, censorship, and the blacklisting of individuals.

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A policy articulated by President Harry S. Truman, declaring that the United States would support nations threatened by communism. Initially aimed at aiding Greece and Turkey, it marked the start of the U.S. policy of containment during the Cold War.

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The Soviet Union blocked all ground routes to West Berlin in an attempt to force the Western Allies out of the city. The blockade led to the Berlin Airlift, where the Allies supplied West Berlin with food and fuel by air.

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A year-long operation where the United States and its allies flew over 200,000 flights to provide food and supplies to the residents of West Berlin in response to the Soviet blockade.

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NATO (North Atlantic Treaty Organization, 1949)

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NATO (North Atlantic Treaty Organization, 1949)

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A military alliance formed between the United States, Canada, and several Western European nations to provide collective security against the Soviet Union.

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A former State Department official accused of being a Soviet spy. His trial and conviction for perjury fueled anti-communist sentiment in the United States during the early Cold War period.

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A conflict between North Korea, supported by China and the Soviet Union, and South Korea, supported by United Nations forces led by the United States. It ended in an armistice, with Korea remaining divided along the 38th parallel.

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A period of intense anti-communist suspicion in the United States, characterized by Senator Joseph McCarthy’s aggressive investigations and accusations of communist subversion in government and other institutions. It led to widespread fear, censorship, and the blacklisting of individuals.

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A Cold War-era belief that the fall of one country to communism would lead to the subsequent fall of neighboring countries, like a row of dominoes. This theory was used to justify U.S. involvement in various conflicts, including Vietnam

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A doctrine of military strategy and national security policy in which a full-scale use of nuclear weapons by two or more opposing sides would result in the complete annihilation of both the attacker and the defender.

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A prolonged conflict between communist North Vietnam, supported by its communist allies, and South Vietnam, supported by the United States. It ended with the fall of Saigon and the unification of Vietnam under communist control.

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A failed invasion of Cuba by Cuban exiles sponsored by the U.S. government. The goal was to overthrow Fidel Castro’s communist regime. The invasion was a major embarrassment for the Kennedy administration.

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A 13-day confrontation between the United States and the Soviet Union over Soviet ballistic missiles deployed in Cuba. It was the closest the Cold War came to escalating into a full-scale nuclear war.

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A speech by President Ronald Reagan in which he referred to the Soviet Union as an "evil empire," reflecting his hardline stance against communism and escalating rhetoric in the Cold War.

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Reagan’s "Tear down this wall" Speech (1987)

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Reagan’s "Tear down this wall" Speech (1987)

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A speech delivered by President Ronald Reagan at the Berlin Wall, where he famously challenged Soviet leader Mikhail Gorbachev to "tear down this wall," symbolizing the desire for increased freedom and the eventual end of the Cold War.

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The physical and symbolic fall of the Berlin Wall, which had divided East and