No Cheers for Columbus, Says Venezuela's Chavez. I don't know much about this guy, but I agree with what he says about Columbus Day. Finally, somebody calls the Invasion genocide and not a discovery. There were between 60 to 90 million Native Americans from Mexico up to Canada, and most of them were systematically killed. Biological warfare was used against the Native peoples for the first time yet I don't hear much about it when the topic is raised. If only Christopher Columbus wasn't granted a fleet to sail out in the Atlantic. The world would certainly be a different place.