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1441
Beginning of the Portuguese slave trade
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Period: 1464 to 1493
Reign of Sunni Ali
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Period: 1464 to
Songhay Empire
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Period: 1506 to 1542
Reign of King Afonso I of Kongo
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Period: to
Reign of Queen Nzinga of Ndongo
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Execution of Dona Beatriz
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Period: to
Life of Olaudah Equiano
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Period: to
Haitian revolution
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End of the British slave trade
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Abolition of slavery in the United States