On: Evidence for European presence in the Americas in ...

[chestertn]

I have talked about this a bit more in another comment below:

https://news.ycombinator.com/item?id=28936345

There are also possible contacts between ancient peoples in Europe and the Americas:

https://en.wikipedia.org/wiki/Pre-Columbian_trans-oceanic_co...

But as I mention, the impact of 1492 eclipses it all (that is why is called Pre-Columbian!)