The extreme northeast of the Congo basin was reached by the Nilotic expansion at some point between the 15th and 18th centuries, by the ancestors of the Southern Luo speaking Alur people.
O extremo nordés da conca do Congo alcanzouse pola expansión nilótica nalgún momento entre os séculos xv e xviii, polos antepasados dos falantes de Luo meridional do pobo Alur.