Which civilization is considered the earliest to exist?

The Mesopotamian Civilization

And here it is, the first civilization to have ever emerged. The origin of Mesopotamia dates back so far that there is no known evidence of any other civilized society before them. The timeline of ancient Mesopotamia is usually held to be from around 3300 BC to 750 BC

answer by yourhope:

the speaker of which statement would be best served by joining an interest group?

i want politicians to make more of an effort for lgbt rights!

: )