Deputy Prime Minister of Australia accepted the view put to him by McEwen that to commission a Liberal temporarily as Prime Minister would give that person an unfair advantage in the forthcoming party room ballot for the permanent leader. McEwen's appointment was in keeping with the previous occasion when the main non-Labor party was without a leader; Earle Page of the Country Party was interim Prime Minister between 7 and 26 April 1939—the period between Joseph Lyons' sudden death and the United Australia Party naming Robert Menzies his successor. Since 1968 only two Deputy Prime Ministers have gone on to become Prime Minister: Paul Keating
Prime Minister of Angola also vacant between 1999 and 2002. The post was again abolished due to the 2010 Constitution of Angola, which integrates the functions of the prime minister into the office of the president, who is not subjected to the confidence of the parliamentary majority, contrarily to the prime minister. Prime Minister of Angola According to the 1992 constitution, the Prime Minister of Angola was a high government official in Angola, but with limited powers as head of government. Along with the rest of the Council of Ministers, the Prime Minister was appointed by the President. The position was originally created when