Battle of Isandlwana at sundown long after the battle ended and the Zulu army had marched off. The British camped on the field that night but left before sunrise without any examination of the ground as Chelmsford felt that it would demoralize his troops. The column then proceeded to Rorke's Drift. Though Isandlwana was a disaster for the British, the Zulu victory did not end the war. With the decisive defeat of Chelmsford's central column, the entire invasion of Zululand collapsed and would have to be restaged. Not only were there heavy manpower casualties to the Main Column, but most of the supplies,
Wiltshire Regiment Charles Pearson besieged by the Zulu impis. At the Battle of Gingindlovu, the 99th helped defeat a Zulu impi that tried to overrun the British while laagered. Although it would not participate in the final battle at Ulundi, the 99th was honoured for its service in the Anglo-Zulu War, being awarded the battle honour South Africa 1879. It would be the last battle honour earned by the 99th as an independent regiment. In 1881, following up on the earlier Cardwell Reforms of 1872, the 99th was merged with the 62nd Regiment of Foot as part of the Childers reforms to