Social 11: Cold War Timeline


The Creation Of the Untied Nation

25 April 1945 - Present

In April 1945,delegates from fifty-one countries, including Canada , dew up a charter for the United Nation. The United Nation was based on the idea of collective security.

Soviet Spy Defected

September 1945 - February 1946

In September 1945, Soviet spy Igor Gouzenko defected to Canada and exposes a Russian spy ring in Canada. By February 1946, The RCMP found 26 Russia spies.


4 April 1949 - Present

NATO – the North Atlantic Treaty Organization – is created as a military defense alliance because of fears created by the Cold War with Russia and its allies.

Korea War

25 June 1950 - 27 July 1953

North Korea invaded South Korea. The war broke out. Canada sends 27, 000 troops to the Korean War in a United Nations-supported military action. This was peace making.

Canada’s Ambassador


Lester Pearson becomes Canada’s ambassador to the United Nations.

Warsaw Pact

14 May 1955 - 31 March 1991

In order to response to the NATO, The Eastern Bloc countries sign with Russia.

Vietnam War

1 November 1955 - 30 April 1975

During Vietnam War, Canada Prime Minster Pearson shared the growing doubts that many Canadians had about the war. In 1965, he criticized Operation Rolling Thunder which the U.S bombing campaign of North Vietnam at a university in Philadelphia. Later he had lunch with the U.S president and criticize him in America.

Suz and Egypt Conflict


First U.N. peacekeeping troops, negotiated by Lester Pearson, prevents war.

Nobel Peace Prize

13 October 1957

Lester Pearson wins the Nobel Peace Prize. Because his part in preventing all out war, Pearson won the Nobel Peace Prize.

Avro Arrow

20 March 1958 - 20 February 1959

The Arrow was a state of the art supersonic jet aircraft which developed by Canada. It was at the forefront for technology at the time. However , the project was canceled by Diefenbaker’s Conservatives in 1959.

Cuban Missile Crisis

15 October 1962 - 28 October 1962

The U.S. and Soviet Union come close to nuclear war. Prime Minister Diefenbaker preferred that the United Nations send a fact-finding mission to Cuba, and implied that he did not believe the U.S. photograph. And he seemed reluctant to have Canada got into a major conflict that relate to the US policy and interest.

Peacekeeping In Cyprus

1964 - Present

Canada participates in a U.N. peacekeeping mission to Cyprus. Canada's longest peacekeeping mission.

Recognize Of Coummunist China


Trudeau’s government officially recognizes Communist China (rather than Taiwan).

The Frist Visit To China


Pierre Trudeau visits Communist China on a peace mission.

The Visit To Communist Cuba


Pierre Trudeau visits Communist Cuba

The End Of Cold War

9 November 1989

Berlin Wall comes down, symbolizing the end to the Cold War.

The Gulf War

17 January 1991 - 28 February 1991

Canada sends troops to support the U.S. in the Gulf War against Iraq. This action was Peace making .

Soviet Union Dissolves

25 December 1991

Soviet Union dissolves into 15 countries.

Tarnish Of Canada's Precekeeping Mission


One night, members of the Canadian Airborne Regiment arrested a Somali teenager found wandering in the Canadian base camp. During the night, the teen was tortured and beaten to death.

Bosnia and Croatia Conflict

1992 - 1995

In 1991, ethnic wars broke out in the former Yugoslavia. Slobodan Milosevic, leader of the Federal Republic of Yugoslavia, began to talk about establishing a greater Serbia by uniting all the Serbian population from surrounding states into one country. By 1992, the war spread to the Republic of Bosnia- Herzegovina, which formed part of Yugoslavia.

Civil war and chaos in Haiti

1993 - 1997

Canada sends soldiers and later police.

The Disaster In Rwanda

1994 - 1995

In the central African country of Rwanda, it was torn apart by ethnic rivalries.This disaster is also called " 100 days of slaughter".