Thabo Mbeki, South Africa's incumbent president, announced his intent to resign on September 20, 2008. His decision followed a judge's ruling that implied on Mbeki's interference with the judicial process in order to subvert his rival, Jacob Zuma. News24: Why Mbeki was fired (September 21, 2008)
African National Congress, the ruling party in South Africa, discussed Mbeki's future in a meeting of the National Executive Committee, eventually urging the president to step down. Mbeki complied with the party's request and announced his readiness to resign his post in accordance with the constitution.BBC News: SA's Mbeki says he will step down (September 20, 2008)
Thabo Mbeki Resigns News
Telegraph: South Africa's president Thabo Mbeki agrees to resign (September 20, 2008)
BBC News: SA's Mbeki says he will step down (September 20, 2008)
The Australian: South Africa faces uncertainty as Mbeki quits (September 20, 2008)
News24: Why Mbeki was fired (September 21, 2008)
Africasia.com: South Africa faces huge uncertainties over Mbeki... (September 21, 2008)
New York Times: South Africa's President to Quit Under Pressure (September 20, 2008)
Thabo Mbeki Resigns: Thabo Mbeki, South Africa's President, To Resign (September 19, 2008)
Zoopy.com: Thabo Mbeki's resignation as SA president (Time: 1:50)