[Young Werther]

The Vikings settled in Greenland, Nova Scotia and there is archelogical remains, the Kensington Stones which are viking runes that were found in Minnesota.

There are some remains in Mexico that suggest that the Great China Fleet might have made it to North Smerican shores.

Columbus ushered in the modern age of exploration and the colonization of India, Africa,China, Micronesia and GULP the Moon!

[PJ-Comix]

The Vikings settled in Greenland, Nova Scotia and there is archelogical remains, the Kensington Stones which are viking runes that were found in Minnesota.

They didn't stick around nor even told other Europeans about a New World so their impact on the settlement of America was ZERO.

[PzLdr]

No discovery in 1492, no horses. No horses, Plains Indians don’t keep the buffalo population in check. Exploding bison population leads to exploding methane increase. Global warming floods coast, putting the Americas further away from Europe. Algore’s ancestors never make trip, Algore never gets to warn us about global warming.

[KoRn]

"and GULP the Moon!"

Christopher Columbus Craft? lol