The benchmark for the earliest human habitation within the Americas is being pushed back every so many decades, as human observational and analytical science improves,

The benchmark for the earliest human habitation within the Americas is being pushed back every so many decades, as human observational and analytical science improves,
However, again I am of the (as of yet unverified) opinion that a ‘high’ percentage of this small amount of European DNA probably occurs in an unusually ‘high’ amount amongst Hakka populations. This is all speculation on my part, and more research is required.