Northern Rhodesia the British South Africa Company administered territory of North-Western Rhodesia (now in Zambia), and Portuguese Angola although its boundary with Angola was not marked-out on the ground until later. The northern border of the British territory in North-Eastern Rhodesia and the British Central Africa Protectorate was agreed as part of an Anglo-German Convention in 1890, which also fixed the very short boundary between North-Western Rhodesia and German South-West Africa, now Namibia. The boundary between the Congo Free State and British territory was fixed by a treaty in 1894, although there were some minor adjustments up to the 1930s. Boundaries with
Northern Rhodesia mining was booming. When Northern Rhodesia became a Protectorate under the British Empire on 1 April 1924, a Legislative Council was established on which the Governor of Northern Rhodesia sat "ex officio" as Presiding Officer. The initial council consisted entirely of nominated members, as no procedure existed at the time for holding elections. However, the members were divided between the "official members" who held executive posts in the administration of the Protectorate, and the "unofficial members" who held no posts. In 1926, a system of election was worked out and the first election was held for five elected unofficial members,