1945-1959 Canada and International Affairs By timewarptoast Period: Jan 1, 1945 to Dec 31, 1959 Canada and International Affairs May 8, 1945 Beginning Of Cold War May 8, 1945 Igor Gouzenko Gave us insight on Soviet spies in Canada. Oct 24, 1945 UN established Jan 1, 1946 Start Of Baby Boom Mar 31, 1949 Newfoundland joins Canada Aug 29, 1949 Soviets Test Their Atomb Bomb Jun 25, 1950 Start Of Korean War Jul 27, 1953 End Of Korean War Nov 4, 1956 Lester Pearson Proposes International Peacekeeping Oct 4, 1957 Soviets ahead in arms race, launched Sputnik