-
Creation
Belgium, France,
Germany, Italy,
Luxembourg
and the Netherlands -
First enlargement
Denmark, Ireland,
United Kingdom -
Second enlargement
Greece -
Third enlargement
Spain, Portugal -
Fourth enlargement
Austria, Finland,
Sweden -
Fifth enlargement
Cyprus,
Czech Republic,
Estonia,
Hungary,
Latvia,
Lithuania,
Malta,
Poland,
Slovakia,
Slovenia -
Sixth enlargement
Bulgaria,
Romania -
Seventh enlargement
Croatia