The Cold War was primarily a conflict between the United States and the Soviet Union, with their respective allies.

The Cold War was largely driven by the ideological differences between capitalism, as practiced in the United States and its allies, and socialism, as practiced in the Soviet Union and its allies.

The Truman Doctrine, announced in 1947, is widely regarded as the official start of the Cold War.

The Truman Doctrine was a policy of containment aimed at preventing the spread of communism.

The Marshall Plan was a massive economic aid program designed to help rebuild Western Europe after World War II.

The Dissolution of the Soviet Union in 1991 is widely regarded as the end of the Cold War.

The Berlin Wall was a physical barrier that divided Berlin from 1961 to 1989.

Détente was a policy of easing tensions between the United States and the Soviet Union during the Cold War.

The Cuban Missile Crisis was a 13-day confrontation between the United States and the Soviet Union in October 1962, during which the two superpowers came close to nuclear war.

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

The Soviet Union launched Sputnik 1, the first artificial satellite, into orbit in 1957.

The Soviet Union sent Yuri Gagarin, the first human, into space in 1961.

The United States landed Neil Armstrong and Buzz Aldrin, the first humans, on the moon in 1969.

The Beat Generation was a cultural movement in the United States during the 1950s and 1960s that challenged traditional values and norms.

The Nonconformist Movement was a cultural movement in the Soviet Union during the 1960s and 1970s that sought to promote greater freedom of expression and artistic creativity.