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