A 13-point ultimatum was presented to them on the banks of the Thukela River, all the terms of which
A 13-point ultimatum was presented to them on the banks of the Thukela River, all the terms of which expired on January 10, after which the invasion commenced.  Sergeant Henry Gallagher exclaimed, Here they come, as thick as grass, and as black as thunder when their columns attacked at Rorke's Drift.  Immediately before the siege of Eshowe, their troops attempted to ambush British columns at (*) Inyezane, while an impi defeated the British encamped at Isandlwana.  FTP – Name this south African ethnic group who fought an 1879 war with the British Empire.
A 13-point ultimatum was presented to them on the banks of the Thukela River, all the terms of which expired on January 10, after which the invasion commenced.  
{Zulus}