The Cold War was primarily driven by the ideological conflict between capitalism, as represented by the United States and its allies, and socialism, as represented by the Soviet Union and its allies.

The Berlin Blockade, which occurred from 1948 to 1949, is often seen as the starting point of the Cold War, as it marked a significant escalation of tensions between the United States and the Soviet Union.

The Truman Doctrine, announced in 1947, was a policy aimed at preventing the spread of communism by providing economic and military aid to countries threatened by communist expansion.

Germany was divided into East Germany and West Germany after World War II, with the division becoming a major symbol of the Cold War.

NATO was established in 1949 as a collective defense alliance among North American and European countries to counter the threat posed by the Soviet Union.

Fidel Castro was the leader of Cuba during the Cuban Missile Crisis and played a key role in negotiating with the United States to resolve the crisis.

Nikita Khrushchev introduced the policy of peaceful coexistence with the West, aiming to reduce tensions and avoid direct military confrontation.

The fall of the Berlin Wall in 1989 is widely regarded as a pivotal moment that symbolized the end of the Cold War.

Ronald Reagan's presidency is often associated with the end of the Cold War, as he pursued policies that contributed to the collapse of the Soviet Union.

The OSCE was established in 1995 to promote dialogue, prevent conflict, and build security in Europe.

The Kennedy Doctrine, announced in 1961, emphasized the importance of promoting democracy and human rights around the world.

The Korean War began in 1950 when North Korea invaded South Korea, leading to a conflict that lasted for three years.

The Eisenhower Doctrine, announced in 1957, authorized the United States to intervene militarily in the Middle East to prevent the spread of communism.

The Vietnam War began in the early 1960s, with the Gulf of Tonkin Incident in 1964 serving as a catalyst for the United States' increased involvement in the conflict.

The Kennedy Doctrine, announced in 1961, emphasized the importance of improving relations with the Soviet Union and pursuing peaceful coexistence.