Cold War Timeline & Temperature Chart Explanation

Blue

Yellow

Red

Green

A direct US-Soviet battle that immediately escalated into open war

A US commitment to contain communism worldwide using diplomatic and economic strategies

An agreement that dismantled NATO and the Warsaw Pact

A policy focused solely on reducing nuclear weapons without addressing ideology

It ended the Cold War through negotiated peace

It brought the US and USSR to the brink of direct military confrontation, prompting an airlift to West Berlin

It formed the basis for the Truman Doctrine

It led to the immediate construction of the Berlin Wall

Vietnam War

Soviet invasion of Afghanistan

Cuban Missile Crisis

Arab-Israeli War

Low (Blue) due to diplomatic talks

Moderate (Yellow) because it avoided combat

High (Red) as a full-scale conflict with significant military confrontations

High (Red) but only involved naval blockades

A brief armistice that reduced tensions and avoided proxy warfare

A direct proxy war with heavy US involvement, causing significant loss of life and constant confrontation

A diplomatic summit that created détente without fighting

A border skirmish limited to Berlin that ended quickly

To expand Soviet influence in Western Europe

To serve as a defensive alliance countering the Soviet Union’s influence without initiating direct conflict

To dissolve the Berlin Wall

To replace the Warsaw Pact with a single global military

1961 Berlin Wall Construction — Red

1979 Soviet invasion of Afghanistan — Yellow

1985 Gorbachev becomes Soviet leader — Yellow

1991 Collapse of the Soviet Union — Red

1979 Soviet invasion of Afghanistan (Red) followed by 1985 Gorbachev’s reforms (Yellow) and 1989 Fall of the Berlin Wall (Yellow)

1948 Berlin Blockade (Red) followed by 1950 Korean War (Red) and 1962 Cuban Missile Crisis (Red)

1964–1975 Vietnam War (Yellow) followed by 1979 Afghanistan (Blue) and 1985 Gorbachev (Red)

1947 Truman Doctrine (Blue) followed by 1949 NATO formation (Red) and 1991 USSR collapse (Red)

1948

1949

1955

1961