It was the 30th state admitted to the United Mexican States, on October 8, 1974.
The date was December 12,1787. It was more a case of Pennsylvania agreeing to join that of being admitted to the union since the union had only one state when PA joined
it was Delaware and the date was 1787
Illinois was admitted in 12/03/1818 that's is when Illinois was born California was admitted September 9, 1850 :)
If you have a quarter from the States series, and it has the date of 1796 on it, that is because the state being commemorated was admitted to the Union that year. The state shown on your quarter is Tennessee.
On 11 November 1889.
It became the 43rd State on 3 July 1890.
Oklahoma was admitted into the Union on November 16, 1907 becoming the 46th state to join the Union.
Delaware was admitted to the Union on December 7, 1787 becoming the 1st state to join the union.
Colorado was admitted into the Union on August 1, 1876 becoming the 38th state to join the Union.
Delaware was admitted to the Union on December 7, 1787 becoming the 1st state to join the union.
California was admitted to the Union on September 9, 1850 becoming the 31st state to join the Union.
Illinois was admitted to the Union on December 3, 1818 becoming the 21st state to join the union.