Hawaii (or;) is the most recent of the 50 U.S. states (joined the Union on August 21,1959), and is the only U.S. state made up entirely of islands.
Hawaii (or;) 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.