On the day, Mandela recalled the story of how Mandela and his friend Oliver Tambo visited in the early 1960s and joked about their hope that one day a statue of a black person would be erected there, alongside that of the former South African leader General Jan Smuts.
7,000 people were present for the unveiling of the 9ft figure in a trademark Mandela flowery shirt, on the day that he joined Abraham Lincoln and Winston Churchill. Shortly afterwards, a statue of David Lloyd George arrived and debate started about whether the Square was getting too crowded. Your author thinks it is fine.
For more, see http://www.guardian.co.uk/uk/2007/aug/30/southafrica.artnews