Prime Minister of Sri Lanka the Sri Lanka Police. During emergencies military units have been allocated to bolster security. At present the Prime Minister's Security Division is in charge of security of the Prime Minister. The post of Prime Minister of Ceylon was created in 1947 prior to independence from Britain and the formation of the Dominion of Ceylon in 1948. United National Party leader D. S. Senanayake became the first Prime Minister of Then Ceylon in 1947 after independence. In 1972 when Sri Lanka became a republic the name of the post changed to Prime Minister of Sri Lanka. With a Westminster-based political system
Prime Minister of Portugal was sworn in on 24 September 1834, as "Presidente do Conselho de Ministros" (President of the Council of Ministers). In 1911, the official title of the prime minister became "Presidente do Ministério" (President of the Ministry). In 1933, it became again "Presidente do Conselho de Ministros". The present title "Primeiro-Ministro" (Prime Minister), attributed to the head of the Government of Portugal, was officially established by the Constitution of 1976 after the revolution of 25 April 1974 The incumbent Prime Minister of Portugal is António Costa, who took office on 26 November 2015 as the 13th Prime Minister of the Third