Samoa, officially the Independent State of Samoa, formerly known as Western Samoa, is an Oceanian country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. Wikipedia

Hawaii is the most recent of the 50 U.S. states and joined the Union on August 21, 1959. It is the only U.S. state located in Oceania and the only one made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean. Wikipedia