Andrew Mlangeni, South African political activist (born 1925)

Andrew Mokete Mlangeni, also known as Percy Mokoena, Mokete Mokoena, and Rev. Mokete Mokoena, was a South African political activist and anti-apartheid campaigner who, along with Nelson Mandela and others, was imprisoned after the Rivonia Trial.

July 21 is the 202nd day of the year in the Gregorian calendar; 163 days remain until the end of the year.