Peleliu passed formally to the United States under United Nations auspices in 1947 as part of the Trust Territory of the Pacific Islands . Palau became independent in 1978 , and Peleliu was organized as a state within the new republic . In August 2014 , Peleliu hosted the " leader 's retreat " at the 45th Pacific Islands Forum , featuring representatives from the forum 's 15 member states
45th Pacific Islands Forum
45th Pacific Islands Forum
Peleliu