Cushitic-speaking pastoralists reach the northern lands
also in Northern Frontier: closed district, Shifta War, Wagalla and the security state
Cushitic-speaking herders, moving south from the Ethiopian highlands, were among the earliest food producers in the region, keeping livestock across the arid north. Their descendants include Eastern Cushitic peoples such as the Somali, Rendille, and Borana of Kenya's dry frontier. The timing is drawn from linguistics and archaeology rather than records, so it is approximate.