Flag of Rhodesia the Federation, Northern Rhodesia and Nyasaland became the independent states of Zambia and Malawi respectively. Southern Rhodesia became known simply as Rhodesia, although its legal name remained the Colony of Southern Rhodesia. In April 1964 Rhodesia adopted a light air force ensign with the shield from the coat of arms of Rhodesia in the fly. This was the first time the lighter shade of blue ensign was used by a British colony, although Fiji and Tuvalu both adopted the colour after independence. Following the Unilateral Declaration of Independence (UDI) on 11 November 1965, the flag was retained, but three years
Northern Rhodesia these copper deposits could not be exploited commercially until the Southern Rhodesian railway had extended across the Zambezi and continued northward, to reach the Belgian Congo border, which it did in 1909. By that time, mining had started in Katanga, where rich copper oxide ores occurred near the surface. In Northern Rhodesia, the surface ores were of poorer quality, and copper was only worked intermittently at Bwana Mkubwa, until in 1924 rich copper sulphide ores were discovered about 100 feet below the surface. Prior to 1924, there had not been significant exploitation of Northern Rhodesia's mineral resources: there was some