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Some of us do not even know who Nelson Mandela is and why is he so important globally. Nelson Mandela was the former president of South Africa and perhaps the first black South African who held this elite position.However, world remembers him more because of his peaceful and non violent movement for providing equal rights to the black Africans in South Africa.elson Mandela was the former president of South Africa and perhaps the first black South African who held this elite position. However, world remembers him more because of his peaceful and non violent movement for providing equal rights to the black Africans in South Africa.
Barack Obama is so important because he is the first black president for the United States. He also makes a change and he is the leader of our country! If you ask me Barack Ob â¦ ama made and is still making a huge impact on the United States of America! 9 people found this useful.