20th Century Africa World History The 20th Century (1900 CE – 2000 CE) 20th Century Africa Questions How did the UN help the Rwandan Genocide? What is apartheid and Nelson Mandela's and Desmond Tutu's role in it? Who was the first black president of South Africa? The 20th Century (1900 CE – 2000 CE) View all chapters 20th Century Europe 20th Century Africa 20th Century Asia and East Asia 20th Century Americas 20th Century Wars, Conflicts, and Revolution Prev Next