Japanese settlement in the Marshall Islands Japanese settlement in the Marshall Islands Japanese settlement in the Marshall Islands was spurred on by Japanese trade in the Pacific region. The first Japanese explorers arrived in the Marshall Islands in the late 19th century, although permanent settlements were not established until the 1920s. As compared to other Micronesian islands in the South Pacific Mandate, there were fewer Japanese who settled in the islands. After the Japanese surrender in 1945, the Japanese populace were repatriated to Japan, although people of mixed Japanese–Marshallese heritage remained behind. They form a sizeable minority in the Marshall Islands' populace, and are well represented
History of the Marshall Islands gave notice of withdrawal from the League of Nations, but continued to manage the islands, and in the late 1930s began building air bases on several atolls. The Marshall Islands were in an important geographic position, being the easternmost point in Japan's defensive ring at the beginning of World War II. In the months before the attack on Pearl Harbor, Kwajalein Atoll was the administrative center of the Japanese 6th Fleet Forces Service, whose task was the defense of the Marshall Islands. In World War II, the United States, during the Gilbert and Marshall Islands campaign, invaded and occupied the