The Famous Tower of Babel

The Tower of Babel was an enormous tower built at the city of Babel.

According to the biblical account, a united humanity, speaking a single language and migrating from the east, took part in the building after the Great Flood; Babel was also called the "beginning" of Nimrod's kingdom.

The people decided their city should have a tower so immense that it would have "its top in the heavens. However, the Tower of Babel was not built for the worship and praise of God, but was dedicated to the glory of man, with a motive of making a 'name' for the builders: "Then they said, 'Come, let us build ourselves a city, and a tower with its top in the heavens, and let us make a name for ourselves; otherwise we shall be scattered abroad upon the face of the whole earth.'" (Genesis 11:4).

God, seeing what the people were doing, confounded their languages and scattered the people throughout the earth. It had been God's original purpose for mankind to grow and fill the earth.

So it was impossible to build this tower, and with that the humanity learns about the different languages that exist all over the world, and how is hard to know all of them.

Source: http://en.wikipedia.org/wiki/Tower_of_Babel