Principal Secretary to the Prime Minister of India the Government of India—was established after independence under the prime ministership of Jawaharlal Nehru, as a successor to the office of the Governor-General of India's secretary. Lal Bahadur Shastri appointed Lakshmi Kant Jha, an Indian Civil Service officer, as his secretary, making Jha the first secretary to the Government of India-ranked officer in the PMS. During Indira Gandhi's tenure as prime minister, the post of Principal Secretary to the Prime Minister was created; retired Indian Foreign Service officer P. N. Haksar became the first PS to the PM. The Principal Secretary to the Prime Minister of India acts as the
Prime Minister of Denmark a part of the constitutional monarchy outlined in 1848 and signed as the Danish Constitution on 5 June 1849. The new Constitution established a parliamentary system by creating a new bicameral parliament () and a Council Presidum, headed by a Council President. The Council Presidium is regarded as the predecessor of the modern Prime Minister's Office. The first Council President was Adam Wilhelm Moltke, who came to power on 22 March 1848. Molte and his next two successors also held the title of , which translates as "prime minister". From 1855 onwards the Prime Minister was known simply as the