Dominion of Ceylon February 1948, with an amended constitution taking effect on the same date. Independence was granted under the Ceylon Independence Act 1947. Military treaties with the United Kingdom preserved intact British air and sea bases in the country; British officers also continued to fill most of the upper ranks of the Ceylon Army. Don Senanayake became the first Prime Minister of Ceylon. Later in 1948, when Ceylon applied for United Nations membership, the Soviet Union vetoed the application. This was partly because the Soviet Union believed that the Ceylon was only nominally independent, and the British still exercised control over it
Prime Minister of South Africa He was the country's leading political figure and "de facto" chief executive, with powers similar to those of his British counterpart. The position of Prime Minister was abolished in 1984, when the State President was given executive powers after a new constitution was adopted—effectively merging the powers of the Prime Minister with those of the State President. The last Prime Minister, P. W. Botha, became the first executive State President after the constitutional reform. In post-Apartheid South Africa, the Inkatha Freedom Party has called for a return to a Westminster-style split executive with a Prime Minister as the actual head