Prime Minister of New Zealand ministerial power; in 1912 Thomas Mackenzie was the last prime minister to lose power through an unsuccessful confidence motion in the House of Representatives. One change brought about by the First World War was direct participation in governing the British Empire. Previously, New Zealand prime ministers had attended occasional colonial and imperial conferences, but they otherwise communicated with London through the governor (a position then appointed by the British government). In 1917, however, British Prime Minister David Lloyd George offered the New Zealand prime minister a seat in the Imperial War Cabinet, the British Empire's wartime coordinating body. In 1919,
Deputy Prime Minister of Singapore Prime Minister. The office of Deputy Prime Minister dates back to 1959 and was appointed at first by the Governor of Singapore then the Yang di-Pertuan Negara (vice-regal head of state), when Singapore achieved self-governance as the State of Singapore within the British Empire. The title of Deputy Prime Minister remained unchanged after the merger with the Federation of Malaya, Sarawak and North Borneo, while Singapore was a state in the Federation of Malaysia from 1963 to 1965, and after independence in 1965. Toh Chin Chye was the first deputy prime minister of Singapore from 1959 to 1968 and retired