Waitangi Day (Treaty of Waitangi established British sovereignty over New Zealand), 6 February (1840); ANZAC Day (commemorated as the anniversary of the landing of troops of the Australian and New Zealand Army Corps during World War I at Gallipoli, Turkey), 25 April (1915)
Constitution:
consists of a series of legal documents, including certain acts of the UK and New Zealand parliaments, as well as The Constitution Act 1986, which is the principal formal charter; adopted 1 January 1987, effective 1 January 1987
Legal system:
based on English law, with special land legislation and land courts for the Maori; accepts compulsory ICJ jurisdiction with reservations
Suffrage:
18 years of age; universal
Executive branch:
chief of state: Queen ELIZABETH II (since 6 February 1952); represented by Governor General Anand SATYANAND (since 23 August 2006)
head of government: Prime Minister John KEY (since 19 November 2008); Deputy Prime Minister Bill ENGLISH (since 19 November 2008)