History of the Marshall Islands several in Micronesia. On September 29, 1914, Japanese troops occupied the Enewetak Atoll, and on September 30, 1914, the Jaluit Atoll, the administrative centre of the Marshall Islands. After the war, on June 28, 1919, Germany signed (under protest) the Treaty of Versailles. It renounced all of its Pacific possessions, including the Marshall Islands. On December 17, 1920, the Council of the League of Nations approved the South Pacific Mandate for Japan to take over all former German colonies in the Pacific Ocean located north of the Equator. The Administrative Centre of the Marshall Islands archipelago remained Jaluit. The German
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