Prime Minister of New Zealand signed a number of international treaties. In 1967, Keith Holyoake became the first New Zealand prime minister to select candidates for the position of governor-general without any involvement of the British government. Holyoake advised the monarch, Queen Elizabeth II, to appoint Sir Arthur Porritt, the first New Zealand–born governor-general. After the mixed-member proportional (MMP) system was introduced in 1996, prime ministers have had to manage minority governments. The skill of MMP management was exemplified by Helen Clark's nine years as prime minister (1999–2008), when her Labour Party remained in power thanks to a range of confidence and supply agreements with
Spouse of the Prime Minister of Australia most notably Dame Enid Lyons (1932–39), who had 12 children (one died in infancy). In 1943, four years after her husband's death in office, she was the first woman to be elected to the House of Representatives. She was a junior minister in the Menzies Government from 1949 to 1951. Some Prime Ministers' spouses have received official recognition for their services to the community: Tamie Fraser was the first spouse of a Prime Minister to be provided with an official secretary for dealing with her correspondence. There are currently seven living spouses of former prime ministers of Australia: The most