Gilbert and Ellice Islands the Gilbert and Ellice Islands Colony, and the Tuvaluans wanted equal representation to that of the I-Kiribati. A new constitution was introduced in 1971, which provided that each of the islands of Tuvalu (except Niulakita) elected one representative. However that did not end the Tuvaluan movement for independence. In 1974 Ministerial government was introduced in the Gilbert and Ellice Islands colony through a change to the Constitution. The 1967 constitution created a parliament, whose members were elected in the following elections: A referendum was held in December 1974 to determine whether the Gilbert Islands and Ellice Islands should each have
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.