The tag has no wiki summary.

learn more… | top users | synonyms

6
votes
1answer
804 views

How did Columbus calculate the size of the Earth?

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 ...
33
votes
4answers
18k views

Why is Christopher Columbus credited for “discovering” America?

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, ...
7
votes
5answers
3k views

Why did Christopher Columbus think he had arrived near Japan?

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 ...