答案:Christopher Columbus (1446?-1506), a Genoa-born sailor. On August 3, 1492, equipped with 3 ships and 87 men, Columbus set sail on his momentous voyage. On October 12, the small fleet arrived at an island in the Bahamas. Little did he know that he had made the most famous discovery in history, the discovery of a new and hitherto unknown world.Later, the continent got its name “America”