Slavery in Africa

Slavery was a worldwide phenomenon probably throughout most of human history!

How many of the ancestors of African Americans were slave holders or traders themselves before they became slaves in the U.S., Caribbean Islands or Brazil? Was this question ever raised? The answer to this question is certainly not well known.

"Slavery has historically been widespread in Africa, and still continues today in some African countries.
Systems of servitude and slavery were common in parts of Africa in ancient times, as they were in much of the rest of the ancient world. When the Arab slave trade (which started in the 7th century) and Atlantic slave trade (which started in the 16th century) began, many of the pre-existing local African slave systems began supplying captives for slave markets outside Africa ... Like most other regions of the world, slavery and forced labor existed in many kingdoms and societies of Africa for hundreds of years."

Slavery in Africa - Wikipedia