500
The Old Stone Age, occurred between 500,000B.C. and 10,000 B.C. and is marked by improvements to diet and security allowing the population to grow.
The Middle Stone Age, occurred between 10,000 B.C. and 4,000 B.C. and is marked by the domestication of animals and agriculture.
The New Stone Age, occurred between 4,000 B.C. and 2,300 B.C. and is marked by specialization, division of labor, and the use of math and documentation of concepts.
What is Paleolithic, Mesolithic, Neolithic.