The Berlin Blockade (1948-1949) was a major crisis in which the Soviet Union blocked access to West Berlin, leading to a standoff between the United States and its allies.

The Truman Doctrine (1947) was a policy of providing economic and military aid to countries threatened by communism.

The fall of the Berlin Wall in 1989 was a symbolic and significant event that marked the beginning of the end of the Cold War.

Leonid Brezhnev served as the General Secretary of the Communist Party of the Soviet Union from 1964 to 1982.

The Korean War (1950-1953) was a proxy war between the United States and the Soviet Union, with each side supporting opposing factions in the Korean Civil War.

The Space Race was a competition between the United States and the Soviet Union to achieve firsts in space exploration.

The Bay of Pigs Invasion (1961) was an unsuccessful attempt by the United States to overthrow the Cuban government, leading to the Cuban Missile Crisis.

Détente was a period of improved relations between the United States and the Soviet Union in the 1970s.

The Gulf of Tonkin Incident (1964) was a series of alleged attacks on U.S. naval vessels in the Gulf of Tonkin, which led to the U.S. Congress passing the Gulf of Tonkin Resolution, authorizing the use of military force in Vietnam.

Harry S. Truman was the U.S. president who initiated the policy of containment during the Cold War.

The establishment of the Federal Republic of Germany (West Germany) in 1949 led to the Berlin Blockade, as the Soviet Union attempted to cut off access to West Berlin.

Harry S. Truman was the U.S. president who implemented the Marshall Plan during the Cold War.

The nationalization of the Suez Canal by Egypt in 1956 led to the Suez Crisis.

Richard Nixon was the U.S. president who initiated the policy of détente during the Cold War.