1974 Ellice Islands self-determination referendum 1974 Ellice Islands self-determination referendum A referendum on separating from the Gilbert Islands was held in the Ellice Islands (then administered together as the Gilbert and Ellice Islands) between July and September 1974. A rolling ballot was used, starting in July in Tarawa in the Gilbert Islands before being taken to each resident of the Ellice Islands. The result was 92.8% of voters in favour of separation. In October the following year the islands were officially separated, and four years after the referendum, the islands became the independent nation of Tuvalu, whilst the Gilbert Islands became Kiribati. Voter turnout was
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.