-
Original signatories of the 1957 Treaty of Rome.
Belgium
France
Germany
Italy
Luxembourg
Netherlands -
Incorporation of new countries
Denmark
Ireland
United Kingdom -
Greece’s accession consolidated democracy in the country.
Greece -
This enlargement consolidated democracy in Portugal and Spain.
Portugal
Spain -
Incorporation of new countries
Austria
Finland
Sweden -
Aimed at reuniting the continent after the fall of the Berlin Wall and the collapse of the Soviet Union, this enlargement was launched by the European Council meeting of December 1997. Negotiations were conducted separately with each country.
Cyprus
Czech Republic
Estonia
Hungary
Latvia
Lithuania
Malta
Poland
Slovakia
Slovenia -
Reform in Bulgaria and Romania
Bulgaria
Romania -
The accession negotiations with Croatia were subject to the stricter conditionality instituted in December 2006 by the European Council’s ‘renewed consensus on enlargement’.
Croatia