Caroline Atoll

▪ atoll, Kiribati

also called  Thornton Island  or  Millennium Island  

 coral formation in the Central and Southern Line Islands, part of Kiribati, in the southwestern Pacific Ocean, about 450 miles (720 km) northwest of Tahiti. With a total area of 1.45 square miles (3.76 square km), it is made up of 20 islets that rise to 20 feet (6 metres) above mean sea level and enclose a shallow lagoon that measures 6 miles by 1 mile (9.7 km by 1.6 km).

      Adzes and marae (temple platforms) have been found on the atoll, remnants of the Polynesians who once occupied it. In European records, the islets were sighted in 1795 by Capt. William R. Broughton, an Englishman. Claimed by Britain in 1868, the atoll became a part of the Gilbert and Ellice Islands Colony in 1972 and a part of independent Kiribati in 1979. In 1995 the International Date Line was moved east of the atoll so that all of Kiribati would be in a single time zone, making Caroline the easternmost point west of the date line. The atoll's name was temporarily changed to Millennium Island in 1999, when it was promoted as one of the first places on Earth to see the first sunrise of the year 2000. There are no permanent inhabitants.

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