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
Office of the Prime Minister (Thailand) Office of the Prime Minister (Thailand) The Office of the Prime Minister (; ; Abrv: OPM) is the central executive agency in the Government of the Kingdom of Thailand. It is classified as a cabinet department and is led by its own minister. Its main responsibility is to assist the Prime Minister of Thailand in the role of head of government and chair of the cabinet of Thailand. As the central executive agency, the Office of the Prime Minister is in charge of the coordination and management of the executive branch of the government of Thailand. It assists prime ministers