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 Laos the People's Democratic Republic traces its lineage back to Kaysone Phomvihane, the first Prime Minister of the People's Democratic Republic. The predecessor office to the Prime Minister of the People's Democratic Republic was the Prime Minister of the former Kingdom of Laos. There have been 7 prime ministers of the People's Democratic Republic, but there have been 17 prime ministers of Laos if the prime ministers of the Kingdom of Laos are counted. Between December 1959 to December 1960, Laos had six different Prime Ministers, who were ousted by six successive political coups. Prime Minister of Laos The Prime Minister