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In page North Melbourne Football Club:

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Regular premiership matches of Australian Football commenced in Victoria in 1870. Although North Melbourne was a part of this,[citation needed] it was classed as a "junior club". The words junior and senior at the time were not used to distinguish underage side but rather the playing quality and strength of the side. The Australasian noted them as being "one of the best of many junior clubs"[9] meaning it the club was considered respectable but far from being regarded a powerhouse as such it would rarely if ever compete against the more notable clubs of the time such as Melbourne, University, Carlton or Geelong and as such was not invited to compete in the Challenge Cup.