Canada–Soviet Union relations
Canada and the Union of Soviet Socialist Republics (USSR or Soviet Union) had diplomatic relations from 1923 to 1927 and from 1941 until the USSR's dissolution in 1991. The relationship was often tense, owing to the Cold War and Canada's membership in NATO. == Diplomatic history == === Early phase === Early Canada-Soviet relations proved to be tumultuous.
Source: Wikipedia — Canada–Soviet Union relations (CC BY-SA 4.0)