Eratosthenes' calculations of the size of the Earth were very precise and very accepted during Columbus' time. Still, Columbus was convinced that the world was significatively smaller and that getting ...
Even if we ignore the millions of native Americans who lived in the continent before Columbus "discovered" it, even if we ignore other civilizations (eg: Polynesians, Phoenicians, Chinese, Arabs, ...
This question came to our mind as a long discussion in chat between some users over ELU including me and we thought to post the question here. Wikipedia states he thought he had arrived Japan. In ...