Сложить предложение! 1. when was nelson mandela born? nelson mandela was born in 1918. 2.how he was in prison for twenty-eight years. 3. he left prison in 1990. 4. he became president of south africa in 1994. 5.how in 1994? he was seventy-six. 6. he got married for the third time on his eightieth birthday.