用英语介绍Nelson Mandela 100字以内的

Nelson Rolihlahla Mandela, also known as Madiba in South Africa, is the first president of
South Africa. He is born on July 18^th in 1918, and was the president
for 1994 until 1999. Before he was a president, he was an anti-apartheid
activist, a person who is against racial segregation. The South African courts charged
him of crimes committed during the anti segregation movement, so he was put in
jail for 27 years.