Before revision: Major pre–colonial states in Africa, (excluding East African states such as Ajuran, Adal, Buganda, Rwanda, Nkore, Kilwa, Imerina, and Iboina, and southern African ones such as Mapungubwe, Rozvi, Maravi, Mutapa, Uukwanyama, Mthethwa, Mthwakazi, and Zulu) Archaic humans emerged out of Africa between 0.5 and 1.8 million years ago.
After revision: Major pre–colonial states in Africa, (excluding East African states such as Ajuran, Adal, Buganda, Rwanda, Nkore, Kilwa, Imerina, and Iboina, Central African ones such as Kuba, Kasanje, Mbunda, and Utetera, and Southern African ones such as Mapungubwe, Rozvi, Maravi, Mutapa, Uukwanyama, Mthethwa, Mthwakazi, and Zulu) Archaic humans emerged out of Africa between 0.5 and 1.8 million years ago.