Historically the Chalumna River formed the northern border of the former Ciskei shoreline until 27 April 1994 when all the Apartheid era political regions were reincorporated into South Africa.
Historicamente o río Chalumna formaba a fronteira norte do antigo Ciskei, até o 27 de abril de 1994, en que todas as rexións políticas da era do Apartheid se reincorporaronn a Suráfrica.