Gilbert and Ellice Islands the latitude of 5° to 10° south and longitude of 176° to 180°, west of the International Date Line. The Ellice Islands are midway between Hawaii and Australia. The Ellice Islands are recognised as part of the Polynesia subregion of Oceania. In 1606 Pedro Fernandes de Queirós sighted Butaritari and Makin, which he named the Buen Viaje (‘good trip’ in Spanish) Islands. The Gilbert Islands were named in 1820 by a Russian Admiral, Baron Johann von Krusenstern, after a British captain, Thomas Gilbert, who encountered the archipelago in 1788 while exploring an Outer Passage route from Port Jackson to Canton.
Trust Territory of the Pacific Islands comprised over an area of of sea. The latter area was comparable in size to the continental United States. The water area is about 2% of the Pacific Ocean. The population of the islands was 200,000 in the latter part of the 19th century. The population decreased to 100,000 by 1969 due to emigration, war, and disease. At that time, the population inhabited less than 100 out of 2,141 of the Marshall, Mariana, and Caroline Islands. In 1947 the Mariana Islands' Teacher Training School (MITTS), a normal school serving all areas of the Trust Territory, opened in Guam. It moved