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1. When was Nelson Mandela born?
Nelson Mandela was born in 1918.
2.How long..................................?
He was in prison for twenty-eight years.
3.When..........................................?
He left prison in 1990.
4.When..........................................?
He became President of South Africa in 1994.
5.How old............................ in 1994?
He was seventy-six.
6.When........................................?
He got married for the third time on his eightieth birthday.

2 How long had he been in prison?3 When did he leave prison?4 When did he become the President of South Africa?5 How old was he in 1994?6 When did he get married for the third time?