The word indigenous, as it relates to people, can only have meaning if a particular geography is defined.  We are all indigenous to the planet earth.  Boundaries are developed only by ever changing views of various consortium.  Prior to European colonization, Canada did not exist, just vast amounts of uninhabited land (the case for most of North America).   To suggest legacy ownership for such a huge land mass by a sparse population is not only ludicrous but quite greedy at best.   Canada over the past 500+ years has been an assimilation of various cultures and has developed nicely not only as a safe and prosperous place to live, but also as a relatively tolerant multi-cultural society.  We should be proud and celebrate not only the 150 year mark, but of what we are collectively today as a sovereign nation.