In addition to the campaigns in which its various constituent units fought in before the Regiment's formation, the Natal Mounted Rifles served in the Second Anglo-Boer War (1899–1902), the Zulu Rebellion (1906–1907), World War I (specifically in South-West Africa from 1914 to 1915), World War II (See 1st SA Infantry Division and South Africa's post-war internal conflicts and the South African Border War).