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,
Vice Prime Minister of Mauritius Minister, the National Assembly voted against the bill but provided with an understanding that two cabinet ministers who are senior members just behind the Deputy Prime Minister shall be officially known as Vice-Prime Minister but no office was created, making the position essentially an honorific title. Therefore, in case of absence, illness or sudden death of the Prime Minister, it is only the Deputy Prime Minister who can become the Acting Prime Minister until the Prime Minister resumes office or another is appointed. Vice Prime Minister of Mauritius Vice-Prime Minister of Mauritius () is an honorary title usually carried by