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Christopher Columbus, whose real name is Cristobol Colon, of course did not discover America in 1492. In fact, he never claimed to have done so; white historians did it for him. Indigenous people and Afrikans were already living in the western hemisphere, thousands of years before his expedition.
Colon never stepped foot on the American mainland. He landed in the Caribbean islands.
Upon landing there, he received reports of Afrikans having visited there before Colon's voyages.
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