Gilbert and Ellice Islands 12 January 1916 by the Gilbert and Ellice Islands Order in Council, 1915. Fanning Island and Washington Island also became included in the colony together with the islands of the Union Islands (now known as Tokelau); Christmas Island was included in 1919 but was contested by the U.S. under its Guano Islands Act of 1856. The Union Islands were transferred to New Zealand in 1926. The Gilbert and Ellice Islands colony continued to be administered by a Resident Commissioner. In 1930 the Resident Commissioner, Arthur Grimble, issued revised laws, "Regulations for the good Order and Cleanliness of the Gilbert and
Pacific Ocean most of the islands in the world. There are about 25,000 islands in the Pacific Ocean. The islands entirely within the Pacific Ocean can be divided into three main groups known as Micronesia, Melanesia and Polynesia. Micronesia, which lies north of the equator and west of the International Date Line, includes the Mariana Islands in the northwest, the Caroline Islands in the center, the Marshall Islands to the west and the islands of Kiribati in the southeast. Melanesia, to the southwest, includes New Guinea, the world's second largest island after Greenland and by far the largest of the Pacific islands.