If Vikings discovered america before Columbus,why didn't europeans know about the existence of the contintent,and why didn't they explore it?

by giorgiishere
y_sengaku

This is indeed one of FAQ on the Vikings. While I'm willing to post additional answer to follow-up questions (but probably not within 12 hours due to the real time issue), you can check one or more of the following relevant threads and their posted answers before: