Mandela Celebrates

Former South African President Nelson Mandela blows out the candles on his birthday cake, alongside his wife Graca Machel, left, as he celebrates his 91st birthday in Johannesburg, Saturday, July 18, 2009.

Credit: AP

Nelson Mandela attends his 91st birthday celebrations in Johannesburg, Saturday, July 18, 2009.

Credit: AP Photo

Former South African President Nelson Mandela and Jacob Zuma, the country's current president, celebrate Mandela's 91st birthday in Johannesburg, Saturday July 18, 2009.

Credit: AP Photo

Good Deeds for Mandela

A volunteer, right, leads children from the Children of Fire organisation, which cares for children who have been injured or disfigured by fire, as they sing "Happy Birthday" for former President Nelson Mandela at their shelter in Johannesburg, Saturday July 18, 2009. Mandela called on people to donate 67 minutes to good causes in celebration of his 91st birthday. He spent 67 years fighting apartheid in South Africa.

Credit: AP Photo/Denis Farrell

A South African soccer fan holds a poster with a photo of Nelson Mandela and his wife Graca Machel during the Vodacom Challenge between South Africa's Orlando Pirates and Manchester City at Peter Mokaba stadium in Polokwane, South Africa, Saturday, July 18, 2009.

Credit: AP Photo/Themba Hadebe

Children eat at a soup kitchen as part of a benevolent project in celebration of Nelson Mandela's 91st birthday celebrations at the township of Delft on the outskirts of Cape Town, South Africa, Saturday, July 18, 2009. Saturday is the first Mandela Day, which his charity foundation hopes will be an annual world event with people taking on altruistic projects.

Credit: AP Photo/Schalk van Zuydam

Limdokuhle Ndekera, 8, who shares her birthday with Nelson Mandela, poses between the legs of a statue of the former leader at Mandela Square in Johannesburg, Saturday, July 18, 2008.

Credit: AP Photo/Karel Prinsloo

A mural seen of the South African flag and former South African President Nelson Mandela's face, made by hand imprints in the city of Cape Town, South Africa, Friday, July 17, 2009. Mandela celebrated his 91st birthday on Saturday.

Credit: AP Photo/Schalk van Zuydam

A man takes a photo at the cell were former South African President Nelson Mandela was locked up by the former apartheid government on Robben Island, South Africa, Friday, July 17, 2009. Mandela celebrated his 91st birthday on Saturday.

Credit: AP Photo/Schalk Van Zuydam

Children gather to plant a tree in Johannesburg, Thursday, July 19, 2009, in an event organized by the City Parks to celebrate former president Nelson Mandela's birthday. Mandela turns 91 on Saturday.

Credit: AP Photo/Denis Farrell

"Mandela Day" Concert

French first lady Carla Bruni-Sarkozy performs at the "Mandela Day" concert to celebrate Nelson Mandela's 91st birthday at Radio City Music Hall in New York, Saturday, July 18, 2009.