Apartheid

In 1997, the Brigadier recalled that he had always known apartheid to be wrong, "but that didn't make everyone who opposed it right." as he confided to the Eighth Doctor that he had believed Nelson Mandela to be a communist terrorist. (PROSE: The Dying Days)

By the 28th century, the IT corporation Panafrica had rewritten history to portray Mandela as the founder of apartheid. (PROSE: Secret of the Black Planet)