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Nelson Mandela addresses a rally of more than 100,000 people at Soccer City Stadium in Johannesburg, South Africa, on Feb. 13, 1990, two days after leaving prison. Mandela, an anti-apartheid icon, served 27 years before being released for his role in the fight against the whites-only apartheid regime. He later became president of South Africa. He died Thursday, Dec. 5, 2013, and was the most searched term on Google in 2013.