On 22 January 1879, the British Army suffered its greatest defeat in Africa when 24,000 Zulu soldiers overran a British camp of 1 800 near Isandlwana Mountain. Over 1 300 of the British force were killed with over 1 000 Zulu casualties.The battle, which lasted for almost four hours, began around 11:h00 am and was a decisive victory for the Zulu kingdom, led by King Cetshwayo The Anglo-Zulu War of 1879 ended on July 4 at the last ritual battle of Ulundi where the old Zulu order was dismantled forever and King Cetshwayo sent into exile. Conflict continued until 1896 between the fragments of the Zulu kingdom, the Transvaal and the British. The battlefield of Isandlwana became a site of commeration in later years. Related events: 17 January 1879 - Battle of Isandlwana 20 January 1879 - British troops establish their camp at Isandlwana 23 January 1879 - The British successfully thwart the Zulu attack at Rorke's Drift.
References

Boddy-Evans, A., (2011), ‘This Day in African History’, from African History Guide, [online], Available at www.africanhistory.about.com [Accessed: 07 December 2011]|Drakensberg Tourism, ‘Isandlwana - To brave men on both sides’, from Drakensberg Tourism, [online], Available at www.drakensberg-tourism.com [Accessed: 07 December 2011]