well, technically it's possible, but it's not the one that is most likely.
We all know that this speculation belongs http://www.gamesas.com/bgsforums/index.php?showtopic=1062067&st=0&gopid=15426989entry15426989 by now. You can find all the info relating to Skyrim's relevance over Summerset Isle's over there, Uriel.
And much, much more
But mainly fervent scampering around old sources...