A Brief History Of Humankind: Great Civilizations Built By Migrants From Africa

The world has seen the rise of seven remarkable ancient civilizations over the last ten thousand years.

Some of these have run their full course and fallen off by the wayside, some of them are still going strong in the modern world. Nonetheless, all of them have contributed much to the remarkable history of human civilization through the ages.

And it all started with the human species of Homo erectus, Homo heidelbergensis, Homo neanderthalsis, and Homo sapiens that emerged from Africa to popu...