I quote the sentence
Like i said, the Balacos Island was known by the portuguese. See here.
But knowing that an island with cods existed, and i quote you, "charting America" is too REALLY different things.
Resolved
1) The Mongols didn't fought european knights. East European warfare is quite different from what you had in the western world.
Actually they did see here
http://en.wikipedia.org/wiki/Battle_of_Mohi
As far as I know the knights templar and the teutonic knights took part in the battle, while yeah it was Hungary this was obviously a coalition going on here
2)Mongols didn't have infinite reserve of men. While they could have plundered Vienna, they couldn't have the possibilities to raid west of the Alps.
Are you sure, the Europeans didnt have means to fight back nether
It's not about walls, it's about men, about ressources, about terrain, about how many men can be opposed to Mongols.
So oaky lets get extravagant here, what if they left and returned in the 1250's with a bigger army Europe wouldnt have answers to a horde of hundreds of thousands