Anglo-Zulu War his own initiative, without the approval of the British government and with the intent of instigating a war with the Zulu, had presented an ultimatum on 11 December 1878, to the Zulu king Cetshwayo with which the Zulu king could not comply, including disbanding his army and abandoning key cultural traditions. Bartle Frere then sent Lord Chelmsford to invade Zululand after this ultimatum was not met. The war is notable for several particularly bloody battles, including an opening victory of the Zulu at the Battle of Isandlwana, followed by the defeat of a large Zulu army at Rorke's Drift by
Ndwandwe–Zulu War was killed, and most of the Ndwandwe abandoned their lands and migrated north establishing Zulu-like (named Ngoni after the ethno-linguistic name "Nguni") kingdoms in Zambia, Malawi, Mozambique and Tanzania. This was the final phase of the Mfecane, a catastrophic, bloody civil war and eventual migration of many different tribes in the area, initially (ca. 1802) caused by famine but ultimately as a result of escaping from the Zulus. The Ngoni groups caused their own havoc by using Zulu tactics in war. They established stronger political units in other countries and thus posed a threat to European colonisation, for example during