Monarch Elizabeth II as the reigning constitutional monarch. Tonga is the only remaining sovereign kingdom in Oceania. It has had a monarch since the 10th century and became a constitutional monarchy in 1875. In 2008, King George Tupou V relinquished most of the powers of the monarchy and the position is now largely ceremonial. In New Zealand the position of Māori King was established in 1858. The role is largely cultural and ceremonial, and has no legal power. Uvea, Alo and Sigave in the French territory of Wallis and Futuna have non-sovereign elective monarchs. The usage and meaning of a monarch's
Tupou VI included peacekeeping operations in Bougainville. He graduated with a masters in Defence Studies from the University of New South Wales in 1997 and with an MA in International Relations from Bond University in 1999. In 1998 he ended his military career to become part of the government, first as the defence minister and the foreign minister at the same time, from October 1998 until August 2004. He took over these posts from his elder brother Tupoutoʻa, at that time still the crown prince, later to become King Siaosi Tupou V (see below). Soon he was appointed as Prime Minister on