Ok, the Vikings got here first....but....

"Now, if they had raped the natives, stole their land and given them diseases, they would be celebrated with parades!"

Really! What makes you think they didn't do any of those things? Or , to put it another way, why do you think they would have treated the Indians any differently than they treated the inhabitants of Lindesfarne, or the Slavs in Russia, or the Eskimos in Greenland....or just about anyone else they ever came into contact with?