Namibia, then known as South-West Africa, became a colony of which country in 1884?
South West Africa South West Africa South West Africa (; ; ) was the name for modern-day Namibia when it was under South African administration, from 1915 to 1990. Previously the colony of German South West Africa from 1884, it was made a League of Nations mandate of the British-ruled Union of South Africa following Germany's losses in World War I. Although the mandate was abolished by the UN in 1966, South African rule continued despite it being illegal under international law. In 1990, the territory became independent as the Republic of Namibia with the exception of Walvis Bay and the Penguin Islands,
Namibia–South Africa border what is now Namibia, was annexed as an exclave of the Cape Colony. German settlement in Namibia, meanwhile, began in 1883 with the founding of Lüderitz. The colony of German South-West Africa was formally established in 1884. The Heligoland–Zanzibar Treaty of 1890 delimited the boundaries between German and British spheres of influence in Africa. The German sphere in southwest Africa was defined in Article III, the relevant part of which reads as follows. During the First World War German Southwest Africa was conquered by South African forces, and after the war South Africa was granted a League of Nations mandate