to all sez he three year old christopher columbus was just hours away from his life's dream coming true. he had an audience with the portuguese king john the second columbus was a professional seafarer from genoa was profound knowledge of mathematics and could talk a fee and a passionate defender of aristotle's belief that asia could be reached in just a few days by sailing west from europe. the ancient scholars had estimated that europe and asia covered roughly half of the earth succumb france but columbus believed that eurasia was much bigger than that. in fact eurasia only makes up around a third. columbus also believed the earth was very much smaller than it really is only half its actual size he thought the western reach of china and india was four thousand five hundred kilometers long a challenging voyage but a manageable one. in actual fact it's a journey of twenty thousand kilometers far beyond the capabilities of his time. so columbus was not only taking a risk but also a miscalculated one. can john's advisers suspected columbus was mistaken and refused to give him financial su

because every year year and a half all of a sudden somebody says wait a minute christopher columbus did terrible things to indigenous people and it lasts about a couple of hours and they scream and yell and it goes away the issue is when you have something that is artistic that is a painting a sculpture that deals with a time that we don't want to go back what do you do with that art do you tell somebody do you believe the real issue was young students which is by the redundant traumatized triggered oh i can't go to school all. you have cured once you get help more are more psych meds teacher this is ridiculous what we should be doing is teaching these kids do us a favor sit down and shut up because life is tough and when you're driving and in a car or on a bus or public transportation. and you come across something you cared so you stopped terror that doubt that's the issue these rogue chew signaling social justice warriors these people who are so certain she did tim seeley that this pavia has been there at george washington high school oh get ready george washington now must be re

christopher columbus. from 1492 to 1992 you never heard a bad word about this guy.d cities after him, schools, streets, circles. then one day like 11 years ago people started coming to me, you know what tomorrow is right columbus day. like it was manson's birthday. he went from the right side to the wrong side and he was dead the whole time. he didn't do anything different. so right now, some states are already changing the name of columbus day to indigenous people's day. everybody goes that's great. what a great idea. that's how stupid everybody is. first of all, do you think indigenous people want their national holiday to be on the day that columbus landed in america? this is when you know a country is on its way out. when even our holidays we have to have drama questioning our holiday because that means we're questioning ourselves, our identity. we still celebrate them but there's always controversy. celebrate thanksgiving but just focus on the family. you'll never see the picture you saw when i was a kid with the long table with the pilgrims and tribal chiefs b

. >> hi, do know what christopher columbus actually did to the spanish monarchy? because there is very few statues in spain, and he's not honored in his honor in the rest of the world. charles: he is a kind of a critical figure. he didn't set out to do what he did. never really copped to the fact that he had not landed in asia. monarchy,anish foolishly, gave him all these privileges they took away from him. he died a very bitter guy who was likely reviled in that area. ,t's not surprising to me that after all, they had this there he ambivalent reaction to him. i think that feeling is more general than not. if you go to santo domingo, there is this an norm us monument to him. ,t is this cross shaped thing 600 feet long it has all of these lights -- it is so intense when they shine it, is blacks out everything around it. --m not sure he is that when that honored elsewhere in the world. people feel a little uneasy about him. >> is a lot of movement these days -- there is a lot of movement these days with purists to get back and protect what the called the natural spe

the discovery of -- a troubling celebration of christopher columbus's conquest, pulled indigenous number of people's have been asked a list formation of the states. the president renumbered his family's economic gains from land session and -- cessation and helped to make it available for white settlers. the unitedted states'adherence to manifest destiny. he also embodied the american history of native american dispossession east of the mississippi river. [applause] prof. lester: thomas cohens is our third presenter. he received his phd from harvard university in 2004 and wrote his dissertation on the formation of the jackson party, 1822-1825. he received a fellowship, a harvard graduate merit fellowship and a fellowship at the american antiquarian society in support of the completion of his graduate work. an undergraduate at yale university, he was inducted into mhi alhppha kappa -- i' sorry, phi beta kappa, and he is the associate editor of andrew jackson's papers and an associate professor in the department of history. he is the author of a book manuscript titled "the forked tongue: th

. >> do know what christopher columbus actually did to the spanish monarchy? because there is very few statues in spain, and he's not honored in his honor in the rest of the world. charles: he is a kind of a critical figure. he didn't set out to do what he did. he never really -- the spanish monarchy foolishly gave him all these privileges that they then took away from them. he died a very bitter guy who was widely reviled in that area. it's not surprising to me that, after all he had this ambivalent reaction, i think that feeling is also more general do not. if you go to santa domingo there's this enormous monument, right? the huge, huge monument to him. it's like this, i don't know, 6-under feet long or something, that has all these lights, so intense when a shiny. it supposedly blocks out all the areas around it. there are huge protests and they put it out. i'm not sure that he is so honored elsewhere in the world. he's a profoundly important guide, but people feel a little uneasy about him. >> there's a lot of movement these days with some purists to get b

who introduced tobacco to europe the answer -- christopher columbus >>> cnbc's "disruptor 50 list" hasn the company that came in at number one julia. >> melissa, thanks so much well, agriculture is a $3 trillion-plus global industry, and we've seen a growing number of venture capitalists investing in companies that are applying digital technologies like artificial intelligence and machine learning to the global food system. this year's number one disruptor has become a leader in the ag tech revolution. take a look. indigo ag number one on the 2019 cnbc disruptor 50 list is an agriculture technology start-up that mixes microbiology with artificial intelligence to improve yields, sustainability, and profits for growers of five commodity crops -- corn, cotton, rice, wheat, and soybeans. it's disrupting agriculture in two ways -- first, its seed treatments allow farmers to grow more using less water and fertilizer second, its digital marketplace connects buyers and growers, helping them differentiate their eco-friendly crops, adding value across the supply chain, from seed to table. founde