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
Deputy Prime Minister of Australia and Julia Gillard. In both cases, they succeeded incumbent Prime Ministers who lost the support of their party caucus mid-term and their election as party leader preceded their predecessor's resignations and their subsequent appointments as Prime Minister. Frank Forde, who had been deputy Labor leader when John Curtin died, was interim Prime Minister between 6 and 13 July 1945, when a leadership ballot took place that elected Ben Chifley as Curtin's successor. In November 2007, when the Australian Labor Party won government, Julia Gillard became Australia's first female, and first foreign-born, Deputy Prime Minister. In 2017, the position became vacant