Paleolithic, Mesolithic, and Neolithic Periods

Humanoid Beginnings

About 4,000,000 years BP
Beginnings of separation between humanoids from other apes
Paleolithic Age

About 2,000,000 to 2,500,000 years BP
More humanlike species, having larger brains, mostly in East Africa
About 750,000 to 1,000,000 years BP
Development of homo erectus, a humanoid which used tools, having almost a modern human brain size.  Male hunters and female seed gatherers
About 600,000 to 700,000 years BP
Spread of humanoids to Asia, Europe, and all across Africa; more hunting, less vegetarian
About 200,000 years BP
Development of homo sapiens;  Neanderthal species in Europe and Asia; having rituals surrounding burial.
About 120,000 years BP
Development of homo sapiens sapiens; coming from Africa, replace Neanderthals.
About 25,000 years BP
Homo sapiens sapiens cross from Asia to Americas
About 20,000 years BP
Peak of the ice age
Mesolithic Age

About 14,000 to 10,000 years BP
More use of tools, use of boats, beginning of domestication of animals and plants
About 12,000 years BP
End of last ice age
Neolithic Age

About 8,000 to 5,000 years BCE
More use of tools, development of agriculture, great growth of human population globally