Prime Minister of New Zealand of the few countries in the world to have had three female heads of government, and one of only three countries to have had a female head of government directly succeed another. The first female prime minister was Jenny Shipley of the National Party, who replaced Jim Bolger in late 1997; Shipley was succeeded by Helen Clark in 1999. Jacinda Ardern, the second female leader of the Labour Party after Clark, became prime minister in 2017. On becoming the Colony of New Zealand in 1841, New Zealand was directly governed by a governor, appointed by the Colonial Office in Britain.
Prime Minister of the United Kingdom and other important honours. The British system of government is based on an uncodified constitution, meaning that it is not set out in any single document. The British constitution consists of many documents and most importantly for the evolution of the Office of the Prime Minister, it is based on customs known as constitutional conventions that became accepted practice. In 1928, Prime Minister H. H. Asquith described this characteristic of the British constitution in his memoirs:In this country we live ... under an unwritten Constitution. It is true that we have on the Statute-book great instruments like Magna Carta, the