There's more to history than knowing times and dates. For centuries, the history of the African continent was biased with racist prejudices. Here's how UNESCO contributed to changing things. Discover The General History of Africa, an 8 volume collection in which experts and the peoples of Africa, give their perspective & vision of Africa's past. Tell us, in your opinion, what are the most understudied periods or civilizations in history? Let us know in the comment section below. Learn more about