Why is America called America ?

And Colombia is already taken!

America was discovered first by Amerigo Vespuci hence the word America although the first inhabitants are red indians

America was named for Amerigo Vespucci. Although he wasn't the first person to discover the lands here, he was the first to realize that it wasn't a part of Asia, but a new continent. So the name was originated over 500 years ago. As for the USA, the name was derived after the original 13 colonies broke away from English rule and formed the united states of america.