-
Original signatories of the 1957 Treaty of Rome.
(Belgium
France
Germany
Italy
Luxembourg
Netherlands) -
Denmark
Ireland
United Kingdom -
Consolidated democracy in the country.
-
This enlargement consolidated democracy in Portugal and Spain.
-
Austria
Finland
Sweden -
Aimed at reuniting the continent after the fall of the Berlin Wall and the collapse of the Soviet Union (Cyprus Czech Republic Estonia Hungary Latvia Lithuania Malta Poland Slovakia Slovenia)
-
Bulgaria
Romania -
Croatia
-
Turkey Iceland Western Balkans