Did the indigenous tribes of North America know anything at all about civilization outside the continent before the fifteenth century? If so, how much did they know, and what international relations had they?

I am not asking if they made accurate guesses based on calculation, but if they actually travelled outside the Americas to discover other civilizations.

  • @Semaphore But that question is somewhat different than what I intend to ask. I really want to know whether they had solid, empirical knowledge of the rest of the world, not if they had made accurate speculations. Jan 6, 2016 at 13:59
  • What's the difference between "know" and "had solid, empirical knowledge"?
    – Semaphore
    Jan 6, 2016 at 14:00
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    That doesn't explain the difference to me, it just sounds like a difference without a distinction. I guess I shouldn't have commented.
    – Semaphore
    Jan 6, 2016 at 14:06
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    Let us continue this discussion in chat. Jan 6, 2016 at 14:12
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    Sorry to all - according to recent genetics data, Polynesians descend from Bismark island Micronesians that descent from mainland Asia. sciencedaily.com/releases/2011/02/110203124726.htm
    – Gangnus
    Jan 6, 2016 at 21:09