Delaware was the first U.S. state to enter the union, on December 7, 1787. The last state to enter was Hawaii, on August 21, 1959.
Hawaii was admitted into the Union on August 21, 1959 becoming the 50th state to join the union.
Hawaii.
On 29 May 1790 it became the 13th US State as the last of the original colonies.
Delaware
Hawaii was the last state to enter the United States earning statehood in 1959. However now Guam and Puerto Rico are U.S. territories and could soon replace Hawaii as the "youngest state."
Arizona was the 48th US State.It was the last of the contiguous states.It was the Baby State for 47 years until Alaska joined the Union.
The 48th State.
HAWAII AND alASKA IN 1959!
hawaii
The US was known as the US commencing in 1781; the first state to enter the union as a state, Delaware, was in 1787.
The 50th and last state was Hawaii in 1959