The Basuto Gun War breaks out after the Basuto launch a rebellion against the Cape Colony.

The Basuto Gun War, also known as the Basutoland Rebellion, was a conflict between the Basuto and the British Cape Colony. It lasted from 13 September 1880 to 29 April 1881 and ended in a Basuto victory.

The Sotho, also known as the Basotho, are a Sotho-Tswana ethnic group indigenous to Southern Africa. They primarily inhabit the regions of Lesotho, South Africa, Botswana and Namibia.

The Cape Colony, also known as the Cape of Good Hope, was a British colony in present-day South Africa named after the Cape of Good Hope. It existed from 1795 to 1802, and again from 1806 to 1910, when it united with three other colonies to form the Union of South Africa, then became the Cape Province, which existed even after 1961, when South Africa had become a republic, albeit, temporarily outside the Commonwealth of Nations (1961–94).

September 13 is the 256th day of the year in the Gregorian calendar; 109 days remain until the end of the year.