Claim: The Big Six predominate ice hockey, and have since 1950.
Evidence: In international competitions , the national teams of six countries -LRB- the `` Big Six '' -RRB- predominate : Canada , Czech Republic , Finland , Russia , Sweden and the United States.
The Big Six in men 's international ice hockey are the six national teams that have been dominant in competitive play throughout the history of international hockey and especially since the 1950s.