december 12,1787
August 21, 1959
Estonia joined the European Union on May 1 2004.
New York joined the union on July 26th, 1788.
Once in 1796 and again in 1865.
1957 the uk joined in 1973
May 11, 1858
November 11th 1889
France was an original member of the European Union and joined on July 23rd, 1952.
Minnesota was admitted into the Union on May 11, 1858 becoming the 32nd state to join the Union.
Indiana is the state that joined the union in 1816. The exact date that Indiana joined the union was on December 11th, 1816.
Croatia joined the European Union on the 1st of July 2013.