dible amount of evidence to fully convince everyone to change the history books permanently. Also, too many peoples perceptual sets still believe in Columbus and unless there is absolute solid evidence no one will change the history books. It is too imbedded into the American culture that Christopher Columbus is a national icon. I believe that the Vikings have substantial evidence to support their discovery of North America and instead of celebrating Columbus Day, my calendar declares the celebration of the new Viking holiday, Bjarne Sigvatson Day, in honor of the true discoverer of America!...