1787 Ottabah Cugoano wrote his first book, Thoughts and Sentiments on the Evil and Wicked Traffic of the Commerce of the Human Species.
1773 Ottabah Cugoano was freed and baptized as John Stuart.
1750s Ottabah Cugoano was born in Ghana.
1440 The triangle trade route started between Africa and the Americas, Europe and Caribbean islands.
700 AD Slavery took place only between the African tribes.