Elections and political parties in Tuvalu scale of the 15 seat parliament, Tuvalu has no political parties, meaning that the political system in Tuvalu exhibits the traits of a Non-partisan democracy. During the time Tuvalu was a British dependency the parliament was called the House of the Assembly or "Fale I Fono". Following independence in October 1978 the House of the Assembly was renamed the Parliament of Tuvalu or "Palamene o Tuvalu". As a consequence of the Ellice Islands self-determination referendum, 1974, separation occurred in two stages. The Tuvaluan Order 1975, which took effect on 1 October 1975, recognised Tuvalu as a separate British dependency with
Geology of the Pacific Ocean . The Pacific Ocean developed from the Panthalassa, a vast global ocean, following the breakup of the supercontinent Pangaea in the Mesozoic Era, gradually forming Gondwana and Laurasia, which in turn divided. There is no firm date for when the changeover occurred, as the replacement of the sea bed is a continuous process, though reconstruction maps often change the name from Panthalassic to Pacific around the time the Atlantic Ocean began to open. The Panthalassic Ocean first opened around 750 million years ago at the breakup of Rodinia, but the oldest Pacific Ocean floor is only around 180 Ma old.