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Christopher Columbus did not actually discover the American Continent as is commonly said.
（1）In fact, the Vikings had landed on the eastern shore of North America around the year 1000, long before Columbus “discovered” America in 1492.
（2）Moreover, Columbus never actually saw the mainland of North America, though he made four voyages to the New World.
（3）He made an error in calculating the size of the earth; he thought he was in Asia when he arrived at the islands of the Caribbean.
Therefore, we cannot really say that America was discovered by Columbus.
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Who discovered America?
It is commonly said that Christopher Columbus discovered America.
（1）The Vikings, however, had landed on the eastern shore of North America around the year 1000, long before Columbus “discovered” America in 1492.
（2）Moreover, Columbus never actually saw the mainland of North America, though he made four voyages to the New World.
（3）He made an error in calculating the size of the earth; he thought he was in Asia when he arrived at the islands of the Caribbean.
For these reasons, we cannot say that the American Continent was discovered by Columbus.