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
Prime Minister of Sweden Prime Minister of Sweden The Prime Minister (, literally "Minister of the State") is the head of government in Sweden. Before the creation of the office of a Prime Minister in 1876, Sweden did not have a head of government separate from its head of state, namely the King, in whom the executive authority was vested. Louis Gerhard De Geer, the architect behind the new bicameral Riksdag of 1866 that replaced the centuries-old Riksdag of the Estates, became the first officeholder in 1876. The current Prime Minister of Sweden is Stefan Löfven, leader of the Swedish Social Democratic Party who