Sweden joined the EU in the year of 1995.
in 1995
Finland joined the EU in the 1995.
Malta joined the European Union on the 1st of May in 2004.
Actually, it was in 2004. The following countries joined the EU.CyprusCzech RepublicHungaryEstoniaLatviaLithuaniaMaltaPolandSloveniaSlovakia
Estonia joined the EU in 2004.
Portugal, in 1986.
it hasn't joined yet
Hungary joined the EU in 2004, but has not yet joined the Euro currency.
No countries joined the EU in 2008. 10 countries joined in 2004. See the related question below.
France joined the EEC in 1957 (began functions in 1958), and was a signatory to the Maastricht Treaty that established the EU in 1993.
Bulgaria has not yet joined the Euro zone, it joined the EU in January 2007.