Sweden joined the EU in the year of 1995.
Finland joined the EU in the 1995.
1973
They never did.
12
Never happened.
Monaco did not join the EU.
1st May 2004
Belgium was one of the founder members, in 1957.
it hasn't joined yet
Malta joined the European Union on the 1st of May in 2004.
France joined the EEC in 1957 (began functions in 1958), and was a signatory to the Maastricht Treaty that established the EU in 1993.