Two countries joined in 1986. They were Spain and Portugal.
Actually, it was in 2004. The following countries joined the EU.CyprusCzech RepublicHungaryEstoniaLatviaLithuaniaMaltaPolandSloveniaSlovakia
No countries joined the EU in 2008. 10 countries joined in 2004. See the related question below.
Only two countries joined in 1986. They were Spain and Portugal.
Macedonia joined along with the rest of Greece in 1981.
No countries joined the EU in 2009. You cannot say what the previous three were as two joined at the same time in 2007 and ten joined at the same time in 2004.
Greece
In 1957, France, West Germany, Italy, Belgium, Luxembourg and the Netherlands formed the European Common Market. In 1973 the UK, Ireland and Denmark joined them. In 1981, Greece also joined and in 1986 Spain and Portugal joined what was then called the European Economic Community. In 1992, the European Union was born with the signing of the Maastricht treaty and all 12 members of the EEC joined the new EU. In 1995 Sweden, Finland and Austria joined the EU (with an obligation to join the Euro when it was indroduced) and in 2004, ten other states joined the EU.
Both countries joined in 2007.
No. A Communist country would not fit in at all and would not be admitted to the EU.
13 countries have joined since 2002. Malta, Cyprus, Slovenia, Estonia, Latvia, Lithuania, Poland, the Czech Republic, Slovakia, and Hungary all joined in 2004. Romania and Bulgaria joined in 2007. Croatia joined in 2013.
Some key years when countries joined the EU include: Germany, France, Italy, Belgium, Netherlands, and Luxembourg in 1957 UK, Ireland, and Denmark in 1973 Greece in 1981 Spain and Portugal in 1986 Eastern European countries have joined in stages since the early 2000s, with the most recent being Croatia in 2013.