July 4th, 1776. Honestly I was looking for this answer in reality yet I'm answering it now, :P
On 10 December 1817 it became the 20th US State.
It became the 42nd US State.
Arizona became the 48th state to join the Union on February 14, 1912.
Yes, Hawaii became a US State in 1959 (#50).
virginia
Yes, Arkansas became the 25th US State.
Hawaii became a US State (#50) in 1959.
It became a US State on 11 November 1889.
It became a US State in 1788.
New Mexico became the 47th State in the US on January 6, 1912.
On July 10, 1890 Wyoming became became the 44th state admitted to the Union.
Arizona was the 48th US State and it got statehood 47 years before Alaska became the 49th US State Arizona became a State in the same year that Alaska became a formal US Territory.