what was the last state to join the usa
The 50th and final state to join the USA was Hawaii. It was made a state on August 21, 1959. For more info on Hawaii, see: http://www.ask.com/wiki/Hawaii.
Hawaii became the 50th and last state to join the United States on August 21st, 1959. Alaska joined on January 3rd, 1959.
Hawaii was the last state to join the USA. For further information, you can visit: http://www.netstate.com/states/intro/hi_intro.htm
Hawaii was the last state, and Delaware was the first.