The United Nation was created in San Francisco. The original goal of it was to collective security.
Soviet Union's spy Igor Gouzenko betray his country to Canada and provide the list of Soviet Union's spys.
The North Atlantic Treaty Organization was created to defense the possible attack from Soviet Union.
Korea was divided into North and South two parts, Communism countries support North part and Capitalism countries support the South part. This war increase the tension on each countries.
Lester Pearson became the Ambassador of United Nations that stands for Canada.
Egypt's president took over the canal, Lester Pearson made a negotiation to avoid a war, as well as the first Peacekeeping for U.N.
Lester Pearson won Nobel Peace Prize.
Diefenbaker canceled the Avro Arrow project.
The USSR secretly set nuclear missiles to Cuba and refused to move it away after it was exposed, the currently situation was close to start a war.
Canada took part in the peacekeeping activity to Cyprus.
The USA asked South Korea to bomb North Korea and wanted to control Asia from it, the USSR and China sent troops to start a war.
Trudeau's Canadian Government offically admitted Communist China government.
Canada's Prime Minister Trudeau visited China.
Canada's Prime Minister visited Communist Cuba.
Berlin Wall came down as the symbol of the ending of the Cold War.
Canada sent troops to Iraq to support the USA.
The USSR crushed down into 15 countries, the residents do not have much reactions on this.
The leader of the Federal Republic of Yugoslavia wanted a greater Serbia, and the ethnic problems was not solved in the former Yugoslavia, so the conflicts grew to war.
The U.N.'s peacekeeping was failed and the situation was out of control.
Canada sent troops to there and leter police to build peace.
Rwanda was divided by ethnic rivalries and colonial forces, then a massacre happened which caused one million citizens' death.