Prime Minister's Office (Sri Lanka) the Parliament. The office of prime minister was formed in 1947 with D. S. Senanayake becoming the first Prime Minister of Ceylon. It consisted of a Secretary (Permanent Secretary) and an Assistant Secretary, who were officers of the Ceylon Civil Service, and a Private Secretary, along with clerical and support staff based at the Senate Building along with the Senate, Cabinet office and the Ministry of External Affairs and Defence. Since 1960 the prime minister's office has been based at Sirimathipaya Mansion on Sir Ernest de Silva Mawatha (formerly Flower Road), Colombo which was the former residence of philanthropist Sir
Prime Minister of Denmark "Council President" (). Carl Christian Hall became the first Prime Minister/Council President to lead a political party (the National Liberal Party). The modern Prime Minister's Office was founded on 1 January 1914, when the Council Presidium was established as a department under the Prime Minister, when it had previously existed as an informal council gathered by the Prime Minister. The title of the Prime Minister changed again in 1918 under the Premiership of Carl Theodor Zahle, becoming titled the "Minister of State" (in-line with its Scandinavian neighbours, Norway and Sweden), which it remains to this day. By the mid-nineteenth century