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 Cuba referred to as being the country's "prime minister". The incumbent since 19 April 2018 has been Miguel Díaz-Canel, who took over from Raúl Castro on that date. Prime Minister of Cuba The Prime Minister of Cuba () – official title: President of the Council of Ministers () – is the head of the Council of Ministers of Cuba. The office of Prime Minister was first instituted in 1940 in accordance with the provisions of the Constitution of Cuba as amended in that year. The first Prime Minister of Cuba was Carlos Saladrigas Zayas (1900–1957), the nephew of former President Alfredo