Is this the rock that proves Vikings DID discover America? Prison Planet.com Posted on April 1, 2016 Posted in Aggregated No Comments Tagged with Sci Tech Daily Mail | They are infamous for terrorising the coastlines of Europe in their distinctive longships, but the Vikings may be able to claim another victory over their medieval neighbours. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email